Ahmadzai, M. Karim, Moataz Eliw, and Deyi Zhou. 2019. “Descriptive and Econometric Analysis of Wheat Production in Afghanistan (A Case Study in Paktia Province)”. South Asian Journal of Social Studies and Economics 5 (3), 1-10. https://doi.org/10.9734/sajsse/2019/v5i330146.