Pokhrel, Prakriti, Jibendra Misra, Dikshit Babu Nepal, and Pradip Adhikari. “Estimation of Construction Duration for Roads and Bridges in Nepal”. Nepal Journal of Civil Engineering 1, no. 1 (January 31, 2021): 41–49. Accessed August 20, 2022. https://www.nepjol.info/index.php/njce/article/view/43372.