[1] Wu, J., Gao, H., Zhao, L., Liao, X., Chen, F., Wang, Z. & Hu, X. (2007). Chemical compositional characterization of some apple cultivars. Food Chemistry. 103(1): 88-93.
[2] Food and Agriculture Organization (FAO). www.fao.org, 2018.
[3] Erdal, G., Esengün, K., Erdal, H. & Gündüz, O. (2007). Energy use and economical analysis of sugar beet production in Tokat province of Turkey. Energy. 32(1): 35-41.
[4] Frischknecht, R., Wyss, F., Knöpfel, S. B., Lützkendorf, T. & Balouktsi, M. (2015). Cumulative energy demand in LCA: the energy harvested approach. The International Journal of Life Cycle Assessment. 20(7): 957-969.
[5] Huijbregts, M. A., Hellweg, S., Frischknecht, R., Hendriks, H. W., Hungerbuhler, K., & Hendriks, A. J. (2010). Cumulative energy demand as predictor for the environmental burden of commodity production. Environmental science & technology, 44(6): 2189-2196.
[6] Schnapp, R. (2012). Energy statistics for energy efficiency indicators. Joint Rosstat—IEA Energy Statistics Workshop Moscow.
[7] Charnes, A., Cooper, W. W. & Rhodes, E. (1978). Measuring the efficiency of decision making units. European journal of operational research. 2(6): 429-444.
[8] Banker, R. D., Charnes, A. & Cooper, W.W. (1984). Some models for estimating technical and scale inefficiencies in data envelopment analysis. Management science. 30(9): 1078-1092.
[9] Taghavifar, H. & Mardani, A. (2016). Prognaostication of energy consumption and greenhouse gas (GHG) emission analysis of apple production in West Azarbayjan of Iran using Artificial Neural Network. Journal of Cleaner Production. 87: 159- 167.
[10] Rafiee, S., Mousavi Avval, S. H. & Mohammadi, A. (2010). Modeling and sensitivity analysis of energy inputs for apple production in Iran. Energy. 35: 3301–3306.
[11] C. Kehagias, M., C. Michos, K., C. Menexes , G., P. Mamolos, A., A. Tsatsarelis, C., D. Anagnostopoulos, C. & L. Kalburtji, K. (2015). Energy equilibrium and Carbon dioxide, Methane, and Nitrous oxide-emissions in organic, integrated and conventional apple orchards related to Natura 2000 site. Journal of Cleaner Production. 91: 89-95.
[12] Khanali, M., Kokei, D., Aghbashlo, M., Keyhani Nasab, F., Hosseinzadeh-Bandbafha, H., Tabatabaei, M. (2020). Energy flow modeling and life cycle assessment of apple juice production: Recommendations for renewable energies implementation and climate change mitigation. Journal of Cleaner Production. 246:118997.
[13] Longo, S., Mistretta, M., Guarino, F., Cellura, M. (2016). Life Cycle Assessment of organic and conventional apple 393 supply chains in the North of Italy. Journal of Cleaner Production. 56: 1-10.
[14] Zhu, Z, Jia, Z., Peng, L, Chen, Q., Yuanmao, H., Shunfeng, J. (2018). Life cycle assessment of conventional and organic apple production systems in China. Journal of Cleaner Production. 201: 156-168.
[15] Ntinas, G. K., Neumair, M., Tsadilas, C. D. & Meyer, J. (2017). Carbon footprint and cumulative energy demand of greenhouse and open-field tomato cultivation systems under Southern and Central European climatic conditions. Journal of cleaner production. 142 (4): 3617-3626.
[16] Yildizhan, H. (2018). Energy, exergy utilization and CO2 emission of strawberry production in greenhouse and open field. Energy. 143: 417-423.
[17] Yildizhan, H. & Taki, M. (2018). Assessment of tomato production process by cumulative exergy consumption approach in greenhouse and open field conditions: Case study of Turkey. Energy. 156: 401-408.
[18] Anonymous (2016). Statistical Yearbook of Lorestan province in Iran, Available from: amar.org.ir/ English/IranStatistical-Yearbook [In Persian].
[19] Yepsen, R. (1994). Apples. New York: W.W. Norton & Co. ISBN 0-393-03690-1.
[20] Anonymous (2018). Statistical Yearbook of Lorestan province in Iran. Amar.org.ir.
[21] Cochran, W.G. (1977). Sampling Techniques, third ed. John Wiley & Sons, New York. USA.
[22] Chang, M. C. (2014). Energy intensity, target level of energy intensity, and room for improvement in energy intensity: An application to the study of regions in the EU. Energy Policy. 67: 648-655.
[23] Kitani, O. (1999). Energy and biomass engineering, CIGR handbook of agricultural engineering. ASAE Publications, St Joseph, MI.
[24] Singh, G., Singh, S. & Singh, J. (2004).Optimization of energy inputs for wheat crop in Punjab. Energy Conversion Management. 45:453– 465.
[25] Ozkan, B., Akcaoz, H., & Fert, C. (2004). Energy input–output analysis in Turkish agriculture. Renewable Energy. 29(1): 39–51.
[26] Mohammadi, A. & Omid, M. (2010). Economical analysis and relation between energy inputs and yield of greenhouse cucumber production in Iran. Applied Energy. 87(1): 191-196.
[27] Renewable Energy and Energy Efficiency Organization. (2019). Ministry of Energy of the Islamic Republic of Iran. http://www.satba.gov.ir//
[28] Mousavi-Avval, S.H., Rafiee, S. & Mohammadi, A. (2011). Optimization of energy consumption and input costs for apple production in Iran using data envelopment analysis. Energy. 36: 2765-2772.
[29] Bames, A. (2006). Does multi-functionality affect technical efficiency? A non-parametric analysis of the Scottish dairy industry. Jornal of Environmental Management. 80(4): 287-294.
[30] Elhami, B., Shahvarooghi Farahani, S. & Marzban, A. (2019). Improvement of energy efficiency and environmental impacts of rainbow trout in Iran. Artificial Intelligence in Agriculture. 2:13–27.
[31] Baldini, E. Alberghina, O. Bargioni, G. Cobianchi, D. Iannini, B. Tribulato, E. & Zocca, A. (1982). Analisi energetiche di alcune colture arboree da frutto 34.Melo. Riv Ingegneria Agraria,13: 119-130.
[32] Akdemir, S., Akcaoz, H., Kizilari, H. (2012). An analysis of energy use and input costs for apple production in Turkey. Journal of Food, Agriculture & Environment. 10 (2): 473-479.
[33] Khoshnevisan, B., Rafiee, S., Omid, M. & Mousazadeh, H. (2013). Applying data envelopment analysis approach to improve energy efficiency and reduce GHG (greenhouse gas) emission of wheat production. Energy. 58: 588-593.
[34] Nabavi-Pelesaraei, A., Abdi, R., Rafiee, S. & Ghasemi Mobtaker, H. (2014) Optimization of energy required and greenhouse gas emissions analysis for orange producers using data envelopment analysis approach. Journal of Cleaner Production. 65: 311-317.
[35] Mohseni, P., Borghei, A. M. & Khanali, M. (2018). Coupled life cycle assessment and data envelopment analysis for mitigation of environmental impacts and enhancement of energy efficiency in grape production. Journal of Cleaner Production. 197: 937-947.