Selim, Selmahan, Gözde Elver, and Murat Sari. “Numerical Behavior of Singular Two-Point Boundary Value Problems in a Comparative Way”. An International Journal of Optimization and Control: Theories & Applications (IJOCTA) 7, no. 3 (November 23, 2017): 288–292. Accessed January 5, 2025. http://ijocta.org/index.php/files/article/view/503.