“The Distribution and Conservation Status of Green Turtles (Chelonia Mydas) and Olive Ridley Turtles (Lepidochelys Olivacea) on Pulau Pinang Beaches (Malaysia), 1995–2009”. Tropical Life Sciences Research, vol. 23, no. 1, July 2012, pp. 63–76, https://ejournal.usm.my/tlsr/article/view/tlsr_vol23-no-1-2012_6.