B, D., H. R, R. Ramli, and M. Sofian-Azirun. “Herpetofauna of Two Habitats in Northeast Pulau Langkawi, Kedah, Peninsular Malaysia”. Malaysian Journal of Science, vol. 24, Apr. 2005, pp. 199-04, https://juku.um.edu.my/index.php/MJS/article/view/8844.