Halima, A. A. K., and W. . Saied. “Dolines Evolution in the Syrian Coastal Mountains /Qardaha Area/ Jawbat Burghal Model”. Tishreen University Journal- Arts and Humanities Sciences Series, vol. 39, no. 2, June 2017, https://journal.tishreen.edu.sy/index.php/humlitr/article/view/2843.