Rammal, Majeed Mattar, and Ahmed Ameen Jubair. “Sand Dunes Stabilization Using Silica Gel and Cement Kiln Dust”. Nahrain University College of Engineering Journal, vol. 18, no. 2, May 2017, pp. 179-91, https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/176.