Suwodjo, Raden Agustinus, and Zulkifilie bin Ibrahim. “Modeling of an Adaptive HHO Gas Controller Based on Fuzzy Logic and Polynomial Function Controls to Improve Engine Torque of Gasoline Engine”. Journal of Current Science and Technology 14, no. 3 (September 1, 2024): Article 72. accessed April 3, 2025. https://ph04.tci-thaijo.org/index.php/JCST/article/view/4180.