Onyejekwe, Ogugua. “The Solution of a One-Phase Stefan Problem With a Forcing Term by Homotopy Analysis Method”. International Journal of Advanced Mathematical Sciences 2, no. 2 (May 1, 2014): 95–100. Accessed February 25, 2026. https://www.sciencepubco.com/index.php/IJAMS/article/view/2300.