A. Edeo, “Solution of Second Order Linear and Nonlinear Two Point Boundary Value Problems Using Legendre Operational Matrix of Differentiation”, ASRJETS-Journal, vol. 51, no. 1, pp. 225–234, Jan. 2019, Accessed: Sep. 18, 2025. [Online]. Available: https://asrjetsjournal.org/American_Scientific_Journal/article/view/4617