Jasim HH, Selman MH, Mohammed SI. Quality Assessment of River Sand from Different Sources Used in Construction Purposes in Duhok Governorate at Kurdistan – Iraq. EAJSE [Internet]. 2022 Jan. 12 [cited 2026 Jun. 24];7(2):139-48. Available from: https://eajse.tiu.edu.iq/index.php/eajse/article/view/174