Haja Maideen, and Ahmad Damanhuri. “Contribution to the Pteridophyte Flora of Langkawi Archipelago, Peninsular Malaysia”. Tropical Life Sciences Research 26, no. 2 (July 31, 2015): 111–119. Accessed October 8, 2025. https://ejournal.usm.my/tlsr/article/view/tlsr_vol26-no-2-2015_9.