ZainAlabideen, Kinan, and Maan Helal. “Determination of the Safe Orientation and Dip of a Rock Slope in an Open Pit Mine in Syria Using Kinematic Analysis”. Nahrain University College of Engineering Journal, vol. 19, no. 1, Jan. 2017, pp. 33-45, https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/40.