JOSHI, P. R. Importance of tunnelling for infrastructure development in Nepal. Journal of Nepal Geological Society, [S. l.], v. 22, p. 205–210, 2000. DOI: 10.3126/jngs.v22i0.32347. Disponível em: https://nepjol.info/index.php/JNGS/article/view/32347. Acesso em: 17 aug. 2024.