Sembiring, K. S. ., Idris, M. ., Hasibuan, Y. M. ., Harahap, U. N. ., & Darianto, D. (2024). Experimental Study on the Calorific Value of Biodiesel from Waste Cooking Oil. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), 3(3), 95–102. https://doi.org/10.56862/irajtma.v3i3.160