Sattar Aldabagh D, M.Ghazal E, M.Yaseen A. A Study of Factors Affecting Drain Spacing Calculated with Different Methods. AREJ [Internet]. 2011 Aug. 28 [cited 2025 Aug. 7];19(4):63-77. Available from: https://ojs.uomosul.edu.iq/index.php/arej/article/view/27200