& et al. M. ESTIMATING PROFIT AND COST FUNCTIONS AND ECONOMIC AND TECHNICAL EFFICIENCIES OF WHEAT PRODUCTION NEJAF PROVINCE – AL-ABBASSI TOWNSHIP (A CASE STUDY) FOR SEASON 2016. IRAQI JOURNAL OF AGRICULTURAL SCIENCES [Internet]. 1Dec.2018 [cited 20Nov.2019];49(3). Available from: http://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/111