DR. B. K. DAS. Assessment of water quality of a few surface water sources of Kokrajhar District, Assam, India. International Journal of Pharmaceutics and Drug Analysis, [S. l.], v. 5, n. 3, p. 77-81, 2017. Disponível em: https://www.ijpda.org/index.php/journal/article/view/273. Acesso em: 19 apr. 2026.