Nugroho, B., Agnesty, S., Aulia, H., & Fidyaningrum, H. (2023). TEST OF BIODIESEL FROM USED COOKING OIL FROM DORMITORY X ON OPACITY AND EXHAUST EMISSIONS HC, CO AND CO2. EDUSAINTEK: Jurnal Pendidikan, Sains Dan Teknologi, 10(2), 439-456. https://doi.org/10.47668/edusaintek.v10i2.749