Gajah, Ganesha, Ihsan Arifin, and Rahmad Hidayat. “Laboratory Study: Biopolymer from Extraction Seeds of Kluwih and Jackfruit for Enhanced Oil Recovery”. Indonesian Journal of Energy 2, no. 2 (August 30, 2019): 74–88. Accessed September 19, 2025. https://www.ije-pyc.org/IJE/article/view/38.