& Mahmood A-M. ESTIMATING PROFIT , COST FUNCTION AND TECHNICAL EFFICIENCIES OF RICE PRODUCTION IN NEJAF FOR SEASON 2016*. Iraqi J. Agric. Sci. [Internet]. 2019 Oct. 23 [cited 2024 Nov. 23];50(5). Available from: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/789