SHAH, J.; JAN, A.; RAHMAN, A. ur. Environmental Study of a Pulp and Paper Mill in NWFP, Pakistan. Biological Sciences - PJSIR, [S. l.], v. 49, n. 4, p. 261–265, 2006. Disponível em: https://v2.pjsir.org/index.php/biological-sciences/article/view/1193. Acesso em: 18 may. 2024.