NEUPANE, A. Variation Orders and It’s Procedure for Hydropower Construction. Hydro Nepal: Journal of Water, Energy and Environment, [S. l.], v. 21, p. 15–16, 2017. DOI: 10.3126/hn.v21i0.17816. Disponível em: https://nepjol.info/index.php/HN/article/view/17816. Acesso em: 27 jul. 2024.