Saputro, E. A. ., Rizaldi, A. ., Simamora, T. ., Erliyanti, N. K. ., & Yogaswara, R. . (2025). A Biodiesel Production Technology from Used Cooking Oil: A Review. IPTEK The Journal for Technology and Science, 33(1), 59–71. https://doi.org/10.12962/j20882033.v33i1.3160