& 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 J. Agric. Sci. 2018, 49 (3). https://doi.org/10.36103/ijas.v49i3.111.