إبراهيم أ. , خرستين ن. and فضة ز. 2023. A geochemical study of the formation of hydrocarbons in structures (South –Al Rusafeh-1, Zamleh-1,Dbessan-2) at the northeastern end of the Palmyra folding zone-Syria. Tishreen University Journal -Basic Sciences Series. 44, 6 (Feb. 2023), 109–124.