KHALEEL, J. S. The Hishkaro River basin in the city of Duhok - A study in the geography of pollution. Academic Journal of Nawroz University, [S. l.], v. 6, n. 4, p. 166–177, 2017. DOI: 10.25007/ajnu.v6n4a132. Disponível em: https://journals.nawroz.edu.krd/index.php/ajnu/article/view/132. Acesso em: 22 jul. 2024.