Karel Octavianus Bachri, Tajuddin Nur, Umar Khayam, Bambang Anggoro Soedjarno, Arwin Datumaya Wahyudi Sumari. “Cognitive Artificial-Intelligence for Rogers Ratio Dissolved Gas Analysis”. International Journal of Advanced Science and Technology 29, no. 08 (May 28, 2020): 1017 - 1025. Accessed August 14, 2020. http://sersc.org/journals/index.php/IJAST/article/view/19259.