Impact of agricultural planning policy in Economical Return improve of non-irrigated crops farmers in the first Zone of Qamishli District (Al -Hassakae Governorate). Damascus University Journal of agriculture sciences, [S. l.], v. 33, n. 1, 2021. Disponível em: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/53. Acesso em: 18 jun. 2026.