Nugroho, Budi, Silvya Agnesty, Haris Aulia, and Heni Fidyaningrum. 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), 439-56. https://doi.org/10.47668/edusaintek.v10i2.749.