Zaidan, A. G. (2016) β€œAN ECONOMIC ANALYSIS TO ESTIMATE PROFIT FUNCTION AND MEASUREMENT TECNICAL EFFICIENCY FOR PRODUCTION POULIRT IN DIYALA PROVINCE ”, Diyala Agricultural Sciences Journal , 8(2), pp. 72–83. Available at: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1486 (Accessed: 6 May 2024).