HASSAN, Raheem K. ANALYTICAL STUDY TO ESTIMATE THE COST FUNCTIONS, PRODUCTIVITY AND OPTIMAL SIZE OF THE FISH FARMS IN THE PROVINCE OF BABYLON IN 2010. Diyala Agricultural Sciences Journal , [S. l.], v. 3, n. 1, p. 93–100, 2011. Disponível em: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3014. Acesso em: 24 may. 2024.