“A Series of Saddle - Node Bifurcation and Chaotic Behavior of a Family of a Semi - Triangular Maps”. AL-Rafidain Journal of Computer Sciences and Mathematics 10, no. 2 (June 12, 2013): 63–77. Accessed June 25, 2026. https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36488.