V.C, Chong, Ng , Y.P, Hairi B.J, Ooi, A.L, Chew, L.L, Amirah M, and Affendi B.N. 2005. “Update of the Fishes of Mangrove and Coastal Waters of Northeastern Langkawi”. Malaysian Journal of Science 24 (April):167-84. http://mojes.um.edu.my/index.php/MJS/article/view/8842.