Al-Wasity R, Mahmood Z, Ali S. MEASURING QUALITATIVE RESPONSE OF THE MOST IMPORTANT FACTORS AFFECTING THE ECONOMIC EFFICIENCY OF RICE FARMS IN NAJAF GOVERNORATE SEASON 2017. IJAS [Internet]. 24Feb.2021 [cited 15Aug.2021];52(1):79-7. Available from: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1238