Moreno-Ley, BL, J Lopez-Bonilla, and B Man Tuladhar. “On the 3rd Order Linear Differential Equation”. Kathmandu University Journal of Science, Engineering and Technology 8, no. 2 (January 3, 2013): 7–10. Accessed November 21, 2024. https://nepjol.info./index.php/KUSET/article/view/7319.