SHRESTHA, K. G. Updating of topographic maps in Nepal. Journal on Geoinformatics, Nepal, [S. l.], v. 8, n. 1, p. 52–56, 2009. DOI: 10.3126/njg.v8i1.39709. Disponível em: https://www.nepjol.info/index.php/NJG/article/view/39709. Acesso em: 27 jan. 2022.