JOSHI, R. L. Environmental Science. Journal of Nepal Medical Association, [S. l.], v. 10, n. 3, p. 147–154, 2003. DOI: 10.31729/jnma.1240. Disponível em: http://jnma.com.np/jnma/index.php/jnma/article/view/1240. Acesso em: 28 apr. 2024.