Bello, Nakone, and Ibrahim Mutawakilu. “Eleventh Degree Polynomial Series Solution Approach of Special Non-Linear Fourth Order Boundary Value Problems”. UMYU Scientifica 3, no. 1 (March 30, 2024): 48–54. Accessed May 24, 2026. https://publications.umyu.edu.ng/scientifica/index.php/usci/article/view/305.