1. Mrad, N., Varuvel, E.G., Tazerout, M. and Aloui, F., "Effects of biofuel from fish oil industrial residue-Diesel blends in diesel engine", Energy, Vol. 44, No. 1, (2012), 955-963. (doi.org/10.1016/j.energy. 2012.04.056).
2. Maysami, M., "Energy efficiency in dairy cattle farming and related feed production in Iran", (2014). (doi.org/10.18452/16931).
3. Nadim, F., Bagtzoglou, A.C. and Iranmahboob, J., "Coastal management in the Persian Gulf region within the framework of the ROPME programme of action", Ocean & Coastal Management, Vol. 51, No. 7, (2008), 556-565. (doi.org/10.1016/j.ocecoaman. 2008.04.007).
4. Prasad, S., Singh, A., Jain, N. and Joshi, H., "Ethanol production from sweet sorghum syrup for utilization as automotive fuel in India", Energy & Fuels, Vol. 21, No. 4, (2007), 2415-2420. (doi.org/10.1021/ ef060328z).
5. Singh, A. and Olsen, S.I., "Key issues in life cycle assessment of biofuels", Sustainable Bioenergy and Bioproducts, (2012), 213-228. (doi.org/10.1007/978-1-4471-2324-8).
6. Nigam, P.S. and Singh, A., "Production of liquid biofuels from renewable resources", Progress in Energy and Combustion Science, Vol. 37, No. 1, (2011), 52-68. (doi.org/10.1016/j.pecs.2010.01.003).
7. Ardebili, M.S., Ghobadian, B., Najafi, G. and Chegeni, A., "Biodiesel production potential from edible oil seeds in Iran", Renewable and Sustainable Energy Reviews, Vol. 15, No. 6, (2011), 3041-3044. (doi.org/10.1016/j.rser.2011.03.004).
8. Torres-Jimenez, E., Jerman, M.S., Gregorc, A., Lisec, I., Dorado, M.P. and Kegl, B., "Physical and chemical properties of ethanol-Diesel fuel blends", Fuel, Vol. 90, No. 2, (2011), 795-802. (doi.org/10.1016/ j.fuel.2010.09.045).
9. Barnwal, B. and Sharma, M., "Prospects of biodiesel production from vegetable oils in India", Renewable and Sustainable Energy Reviews, Vol. 9, No. 4, (2005), 363-378. (doi.org/10.1016/j.rser. 2004.05.007).
10. Abbaszaadeh, A., Ghobadian, B., Omidkhah, M.R. and Najafi, G., "Current biodiesel production technologies: A comparative review", Energy Conversion and Management, (2012), 138-148. (doi.org/10.1016/j.enconman.2012.02.027).
11. Reijnders, L., "Conditions for the sustainability of biomass based fuel use",Energy Policy, Vol. 34, No. 7, (2006), 863-876. (doi.org/10.1016/j.enpol.2004.09.001).
12. Balat, M. Balat, H. and Öz, C., "Progress in bioethanol processing", Progress in Energy and Combustion Science, Vol. 34, No. 5, (2008), 551-573. (doi.org/10.1016/j.pecs.2007.11.001).
13. Jayed, M., Masjuki, H., Saidur, R., Kalam, M. and Jahirul, M.I., "Environmental aspects and challenges of oilseed produced biodiesel in Southeast Asia", Renewable and Sustainable Energy Reviews, Vol. 13, No. 9, (2009), 2452-2462. (doi.org/10.1016/j.rser.2009.06.023).
14. Kim, H.J., Kang, B.S., Kim, M.J., Park, Y.M., Kim, D.-K., Lee, J.S. and Lee, K.Y., "Transesterification of vegetable oil to biodiesel using heterogeneous base catalyst", Catalysis Today, (2004), 315-320. (doi.org/10.1016/j.cattod.2004.06.007).
15. Thamsiriroj, T. and Murphy, J., "The impact of the life cycle analysis methodology on whether biodiesel produced from residues can meet the EU sustainability criteria for biofuel facilities constructed after 2017", Renewable Energy, Vol. 36, No. 1, (2011), 50-63. (doi.org/10.1016/ j.renene.2010.05.018).
16. Alptekin, E. and Canakci, M., "Optimization of transesterification for methyl ester production from chicken fat", Fuel, Vol. 90, No. 8, (2011), 2630-2638. (doi.org/10.1016/j.fuel.2011.03.042).
17. Fayyazi, E., Ghobadian, B., Najafi, G., Hosseinzadeh, B., Mamat, R. and Hosseinzadeh, J., "An ultrasound-assisted system for the optimization of biodiesel production from chicken fat oil using a genetic algorithm and response surface methodology", Ultrasonics Sonochemistry, Vol. 26, (2015), 312-320. (doi.org/10.1016/ j.ultsonch.2015.03.007).
18. Almasi, M., Kiani, S. and Lvymy, N., "Basics of agricultural mechanization, Iran", Forest Publication, Vol. 248, (2006). (doi.org/10.5937/ekonsig1702011M).
19. ISO, I., 14040: Environmental management–Life cycle assessment–Principles and framework, London: British Standards Institution, (2006).
20. Sahle, A. and Potting, J., "Environmental life cycle assessment of Ethiopian rose cultivation", Science of the Total Environment, Vol. 443, (2013), 163-172. (doi.org/10.1016/j.scitotenv.2012.10.048).
21. Rajaeifar, M.A., Akram, A., Ghobadian, B., Rafiee, S. and Heidari, M.D., "Energy-economic life cycle assessment (LCA) and greenhouse gas emissions analysis of olive oil production in Iran", Energy, Vol. 66, (2014), 139-149. (doi.org/10.1016/j.energy.2013.12.059).
22. Samani, B.H., Zareiforoush, H., Lorigooini, Z., Ghobadian, B., Rostami, S. and Fayyazi, E., "Ultrasonic-assisted production of biodiesel from Pistacia atlantica Desf. oil",Fuel, Vol. 168, (2016), 22-26. (doi.org/10.1016/j.fuel.2015.11.063).
23. Nemecek, T., Kägi, T. and Blaser, S., "Life cycle inventories of agricultural production systems", Ecoinvent Report Version, Vol. 2, (2007), 15.
24. Pastakia, C.M. and Jensen, A., "The rapid impact assessment matrix (RIAM) for EIA", Environmental Impact Assessment Review, Vol. 18, No. 5, (1998), 461-482. (doi.org/10.1016/S0195-9255(98)00018-3).
25. McCourt, J.A., Pang, S.S., King-Scott, J., Guddat, L.W. and Duggleby, R.G., "Herbicide-binding sites revealed in the structure of plant acetohydroxyacid synthase", Proceedings of the National Academy of Sciences, Vol. 103, No. 3, (2006), 569-573. (doi.org/10.1073/ pnas.0508701103).
26. Kalhor, T., Rajabipour, A., Akram, A. and Sharifi, M., "Environmental impact assessment of chicken meat production using life cycle assessment", Information Processing in Agriculture, Vol. 3, No. 4, (2016), 262-271. (doi.org/10.1016/j.inpa.2016.10.002).
27. De Souza, S.P., Pacca, S., De Ávila, M.T. and Borges, J.L.B., "Greenhouse gas emissions and energy balance of palm oil biofuel", Renewable Energy, Vol. 35, No. 11, (2010), 2552-2561. (doi.org/10.1016/j.renene.2010.03.028).
28. Pahlavan, R., Omid, M. and Akram, A., "Application of data envelopment analysis for performance assessment and energy efficiency improvement opportunities in greenhouses cucumber production", Journal of Agricultural Science and Technology, Vol. 14, (2012), 1465-1475.
29. Lopez, D.E., Mullins, J.C. and Bruce, D.A., "Energy life cycle assessment for the production of biodiesel from rendered lipids in the United States", Industrial & Engineering Chemistry Research, Vol. 49, No. 5, (2010), 2419-2432. (doi.org/10.1016/j.renene. 2010.03.028).
30. Brondani, M., Hoffmann, R., Mayer, F.D. and Kleinert, J.S., "Environmental and energy analysis of biodiesel production in Rio Grande do Sul, Brazil", Clean Technologies and Environmental Policy, Vol. 17, No. 1, (2015), 129-143. (doi.org/10.1007/s10098-014-0768-x).
31. Pradhan, A., Shrestha, D., McAloon, A., Yee, W., Haas, M. and Duffield, J., "Energy life-cycle assessment of soybean biodiesel revisited", Transactions of the ASABE, Vol. 54, No. 3, (2011), 1031-1039. (doi.org/10.13031/2013.37088).
32. Samani, B.H., Choobin, S., Ghasemi-Varnamkhasti, M. and Abedi, A., "Analysis of energy consumption and end-use application of rapeseed in an agricultural production system in Izeh-Khuzestan", Engineering in Agriculture, Environment and Food, Vol. 11, No. 3, (2018), 101-108. (doi.org/10.1016/j.eaef.2018.02.001).
33. Bare, J., "TRACI 2.0: the tool for the reduction and assessment of chemical and other environmental impacts 2.0", Clean Technologies and Environmental Policy, Vol. 13, No. 5, (2011), 687-696. (doi.org/10.1007/s10098-010-0338-9).
34. Nie, S.-W., Gao, W.-S., Chen, Y.-Q., Sui, P. and Eneji, A.E., "Use of life cycle assessment methodology for determining phytoremediation potentials of maize-based cropping systems in fields with nitrogen fertilizer over-dose", Journal of Cleaner Production, Vol. 18, No. 15, (2010), 1530-1534. (doi.org/10.1016/j.jclepro.2010.06.007).
35. Faleh, N., Khila, Z., Wahada, Z., Pons, M.-N., Houas, A. and Hajjaji, N., "Exergo-environmental life cycle assessment of biodiesel production from mutton tallow transesterification", Renewable Energy, Vol. 127, (2018), 74-83. (doi.org/10.1016/j.renene.2018.04.046).
36. Nemecek, T., Weiler, K., Plassmann, K. and Schnetzer, J., "Geographical extrapolation of environmental impact of crops by the MEXALCA method", Agroscope ART, Zurich, (2011).
37. Brentrup, F., Küsters, J., Kuhlmann, H. and Lammel, J., "Environmental impact assessment of agricultural production systems using the life cycle assessment methodology: I. Theoretical concept of a LCA method tailored to crop production", European Journal of Agronomy,Vol. 20, No. 3, (2004), 247-264. (doi.org/10.1016/S1161-0301(03)00039-X).
38. Sendzikiene, E., Makareviciene, V. and Kazanceva, I., "Life cycle analysis of rapeseed oil butyl esters produced from waste and pure rapeseed oil", Polish Journal of Environmental Studies, Vol. 27, No. 2, (2018). (doi.org/10.15244/pjoes/75822).
39. Dalgaard, R., Halberg, N. and Hermansen, J.E., "Danish pork production: An environmental assessment", DJF Animal Science, No. 82, (2007).
40. Kingston, P.C., Fry, J.M. and Aumonier, S., "Scoping life cycle assessment of pork production", (2009). (doi.org/10.1.1.553.7220).
41. Kleanthous, A., "Pigs and the environment, Here Tomorrow/BPEX", London Google Scholar, (2009). (doi.org/10.1007/82_2014_392).
42. Williams, A., Audsley, E. and Sandars, D., "Determining the environmental burdens and resource use in the production of agricultural and horticultural commodities: Defra project report IS0205", (2006). (
http://randd. defra. gov. uk/Default. aspx).
43. Bare, J.C., "TRACI: The tool for the reduction and assessment of chemical and other environmental impacts", Journal of Industrial Ecology, Vol. 6, No. 3-4, (2002), 49-78. (doi.org/10.1016/j.energy. 2012.04.056).