“Quantitative Study of Foraminifera and Calcareous Nannofossils on the Boundary Between the Cenomanian - Turonian in the Coastal Chain Syria ”. Damascus University Journal for the basic sciences 39, no. 2 (May 28, 2023). Accessed June 18, 2026. https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/2593.