1.
Joshi PC. Comparative Study of Rock Mass Classification Systems: A Case Study of Nagdhunga-Naubisea Road Tunnel. Himalayan J. Appl. Sci. Engin. [Internet]. 2024 Jan. 25 [cited 2024 May 16];4(2):1-10. Available from: https://www.nepjol.info/index.php/hijase/article/view/62183