Abubaker, Ahmed Omer Mohammed. “Positive Solutions for One-Dimensional P-Laplacian Boundary Value Problems With Nonlinear Parameter”. International Journal of Applied Mathematical Research 3, no. 4 (November 13, 2014): 529–533. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/ijamr/article/view/3168.