Panthi, Krishna Kantha, and Chhatra Bahadur Basnet. “Review on the Major Failure Cases of Unlined Pressure Shafts/Tunnels of Norwegian Hydropower Projects”. Hydro Nepal: Journal of Water, Energy and Environment 18 (March 15, 2016): 6–15. Accessed November 23, 2024. https://nepjol.info./index.php/HN/article/view/14637.