Watershed Delineation of Purna River using Geographical Information System (GIS). International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 4, n. 5, p. 690–695, 2017. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/4886. Acesso em: 7 sep. 2025.