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: http://jummec.um.edu.my/index.php/MJS/article/view/8825 (Accessed: 23 December 2024).