“The Assessment of African Penguin (Spheniscus Demersus (Linnaeus, 1758)) Management Performances at the Underwater World Langkawi, Malaysia”. Indian Journal of Geo-Marine Sciences (IJMS) 51, no. 03 (July 23, 2023): 229–237. Accessed May 15, 2026. https://or.niscpr.res.in/index.php/IJMS/article/view/3215.