I. Yasin, Haqqi, and Tariq Jasim Ahmed Al_farrajy. 2021. “Effect of Soil Surface Slope on Water Distribution Uniformity for Stationary Sprinkler Systems”. Al-Rafidain Engineering Journal (AREJ) 26 (2):237-48. https://doi.org/10.33899/rengj.2021.130446.1105.