Mahmoud, Suliman M. “Three Point Spline Collocation Method for Solving General Linear and Nonlinear Eighth-Order Boundary-Value Problems”. Latakia University Journal -Basic Sciences Series 36, no. 6 (November 17, 2014). Accessed April 27, 2025. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/1198.