Bujang, J. S., Jamaludin, M. R., Kusnan, M., & Omar, H. (2005). Shading Responses of the Seagrass, Halophila ovalis: A Prelimin. Malaysian Journal of Science, 24(1), 23–29. Retrieved from http://mojes.um.edu.my/index.php/MJS/article/view/17159