Mishra, A. K., R. K. Chaudhary, P. Punetha, and I. Ahmed. “Geological and Geotechnical Challenges Faced During Excavation of the Underground Powerhouse and Head Race Tunnel for Mangdechhu Project, Bhutan, India”. Hydro Nepal: Journal of Water, Energy and Environment, vol. 23, Aug. 2018, pp. 30-41, doi:10.3126/hn.v23i0.20823.