Hammo, Alaa, Ali Abdul-Aziz, and Shabab Nasser. 2022. “Assessing the Comparative Advantage of Sheep Industry in Al-Hasakah District, Syria: A Policy Analysis Matrix Approach”. Annals of Arid Zone 60 (1 & 2): 45-50. https://doi.org/10.56093/aaz.v60i1 & 2.131412.