CHAI PENG, L.; HAKIF HASSAN, M. Contributions from the Geology of Northeast Langkawi to Refining the Mid-Palaeozoic Stratigraphy and Palaeogeography of Peninsular Malaysia. Malaysian Journal of Science, [S. l.], v. 24, p. 15–23, 2005. Disponível em: https://ejournal.um.edu.my/index.php/MJS/article/view/8814. Acesso em: 11 may. 2024.