Zaidan, A. G. and Khater, S. F. . (2013) “ MEASUREMENT EFFICIENCY OF PRODUCING AND MARKETING FOR THE PEANUT CROP IN DIYALA PROVINCE. ”, Diyala Agricultural Sciences Journal , 5(2), pp. 155–163. Available at: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/2739 (Accessed: 20 April 2026).