SIAW YANG, Y. A Preliminary Classification of Langkawi Island Streams Using Biotic Index Criteria. Malaysian Journal of Science, [S. l.], v. 24, p. 25–28, 2005. Disponível em: https://ojie.um.edu.my/index.php/MJS/article/view/8817. Acesso em: 14 apr. 2025.