“An Economic Analytical Study on the Constraints of Agricultural Development in Libya and Use of Self-Sufficiency Rates of Wheat and Barley As a Model During the Period 2000–2020”. Taj Al-Ma’rifa Journal 3, no. 2 (May 9, 2026): 144–120. Accessed September 14, 2026. https://histt.edu.ly/ojs/index.php/tajournal/article/view/123.