Tjiawi, Hendrik, Andrew C. Palmer, and Grahame J. H. Oliver. “Natural State Modeling of Singapore Geothermal Reservoir”. Journal of Civil Engineering, Science and Technology 30 (December 1, 2012): 34-40. Accessed April 20, 2024. https://publisher.unimas.my/ojs/index.php/JCEST/article/view/100.