Haja Maideen and Ahmad Damanhuri, “Contribution to the Pteridophyte Flora of Langkawi Archipelago, Peninsular Malaysia”, tlsr, vol. 26, no. 2, pp. 111–119, Jul. 2015, Accessed: Apr. 20, 2025. [Online]. Available: https://ejournal.usm.my/tlsr/article/view/tlsr_vol26-no-2-2015_9