& et al., Al-Hachami. “MEASURING THE TECHNICAL EFFICIENCY OF POTATO PRDUCTION AND ITS DETERMINATS IN IRAQ (BAGHDAD PROVINCE AS CASE STUDY)”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES 51, no. 6 (December 23, 2020): 1634–1643. Accessed May 3, 2024. https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1190.