Zulkifly, S. and Feisal Merican, A. (2005) “Some Lichens of North Eastern Langkawi and Gunung Machincang, Langkawi Islands”, Malaysian Journal of Science, 24, pp. 103–110. Available at: https://ejournal.um.edu.my/index.php/MJS/article/view/8825 (Accessed: 13 May 2024).