“New Quartic B-spline Approximations for Numerical Solution of Fourth Order Singular Boundary Value Problems”, Punjab Univ. J. Math., vol. 52, no. 3, pp. 47–63, May 2025, Accessed: Jun. 29, 2025. [Online]. Available: https://pujm.pu.edu.pk/index.php/pujm/article/view/327