Khanal, Durga Prasad, Shiva Prakash Gupta, Urmila Pyakurel, and Tanka Nath Dhamala. “An Approximation for General Transit Time Function”. International Journal of Operational Research/Nepal 8, no. 1 (December 31, 2019): 13–25. Accessed November 24, 2024. https://nepjol.info/index.php/ijorn/article/view/51848.