Timsina, Ramesh Chandra, and Kedar Nath Uprety. “Comparison of Finite Difference Schemes for Fluid Flow in Unsaturated Porous Medium (Soil)”. The Nepali Mathematical Sciences Report 39, no. 1 (July 27, 2022): 22–35. Accessed May 3, 2024. https://www.nepjol.info/index.php/nmsr/article/view/46915.