Study of Some Factors Affectting the Production Costs and Economic Return of the Non-Irrigated Cumin Crop in Al -Hassakah Governorate. Journal of Hama University , [S. l.], v. 2, n. 8, 2020. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/246. Acesso em: 6 jun. 2026.