shahnoushi, N. , , Firoozzare, A. , , Jalerajabi, M. , , Danshvar, M. , and Dehghaniyan, S. . "The Use of the Order Logit Model in an Investigation of the Effective Factors on Bread Waste", Journal of Economic Research (Tahghighat- E- Eghtesadi), 46, 3, 2012, 111-132.