Jamaludin, Mohammad Rozaimi, Japar Sidik Bujang, Misri Kusnan, and Hishammuddin Omar Omar. 2006. “Photosynthetic Light Responses of Wild and Cultured Halophila Ovalis”. Malaysian Journal of Science 25 (2):67-79. https://juku.um.edu.my/index.php/MJS/article/view/8097.