Ali, F., Parikh, A., and Shah, M. 1994. Measurement of profit efficiency using behavioural and stochastic frontier approaches. Application Economics 26 (2):181-188.
Battese, G.E., and Corra, G.S. 1977. Estimation of a production frontier model: with application to the Pastoral zone of Eastern Australia. Agricultural Economic 21 (3): 169-179.
Christensen, L.R., Jorgenson, D.W., and Lau, L.J. 1971. Conjugate and the transcendental logarithmic function. Econometrica 39: 68-259.
Daneshvar Kakhki, M., and Farahmand Gelyan, K. 2012. Review of interactions between e-commerce, brand and packaging on value added of saffron: A structural equation modeling approach. Business Management 6 (26): 7924-7930.
Esfanjari Kenari, R. 2012. Economic investigation of laying hen industrial units. M.S. dissertation, Faculty of Agriculture, Shiraz University, Iran. (In Persian with English Summery).
Esfanjari kenari, R., and Zibaei, M. 2013. Investigation of technological gap of Iranian laying hen industrial units. Agricultural Economics and Development 26 (4): 252-260. (In Persian with English Summery)
Griffin, R.C., Montgomery, G.M., and Rister, M.E. 1987. Selecting functional form in production analysis. Agricultural Economics 12 (2): 216-225.
Hoang, L.V., and Yabe, M. 2012. Impact of environmental factors on profit efficiency of rice production: A study in Vietnam’s Red River Delta. World Academy of Science. Engineering and Technology 66 (1): 97-104.
Jondorow, J., Lovell, C.A.K., and Schmit, P. 1982. The estimation of technical inefficiency in the stochastic frontier production function model. Econometrics 19: 233-238.
Kafi, M., Hemmatikakhaki, A., and Karbasi, A.R. 2002. History, economic importance, cultivated area, production and saffron usages, in M. Kafi (eds). Saffron (Crocus sativus L.) Production and Processing. Ferdowsi University of Mashhad Publications, Iran. p. 21-38. (In Persian).
Meeusen, W., and Van Den Broeck, G. 1977. Efficiency estimation form Cobb-Douglas production function with composed error. International Economic Review 18 (2): 435-444.
Mubarik, A., and Flinn, J.C. 1989. Profit efficiency among Basmati rice producers in Pakistan Punjab. Agricultural Economics 71 (2): 303-310.
Nganga, S.K., Kungu, J., Ridder, N., and Herrero, M. 2010. Profit efficiency among Kenyan smallholders milk producers: A case study of Meru-South district. Kenya. Agricultural Research 5 (4): 332-337.
Ogunniyi, L.T. 2008. Profit efficiency among Cocoyam Producers in Osun state, Nigeria. Agricultural Economics & Rural Development 1 (1): 38-46.
Olumayowa, O., and Abidun, O.O. 2011. Profit Efficiency and waste management in poultry farming: the case of Egba division, Ogun State, Nigeria. Poultry Science 10 (2): 137-142.
Rathke, G.W., and Diepenbrock, W. 2006. Energy balance of winter oil seed rape cropping as related to nitrogen supply and preceding crop. Agronomy 24 (1): 35-44.
Sabzevari, M. 1995. Saffron: the red gold of desert. Bank Keshavarzi Public/ Vol 2 No 46.Available atWeb site http://www.bki.ir/en
(verified 4 Jun 2012).