ELFITHRI, Rahmah et al. Watershed Sustainability Index for Langat UNESCO HELP River Basin, Malaysia. International Journal of Engineering & Technology, [S. l.], v. 7, n. 3.14, p. 187–190, 2018. DOI: 10.14419/ijet.v7i3.14.16882. Disponível em: https://sciencepubco.com/index.php/ijet/article/view/16882.. Acesso em: 28 apr. 2024.