Robiah, Marhaini, & Rosyada, A. (2023). CO-SOLVENT TETRAHYDROFURAN IN THE PRODUCTION OF BIODIESEL FROM USED COOKING OIL USING THE TRANSESTERIFICATION METHOD. International Journal of Engineering Technologies and Management Research, 10(3), 1–12. https://doi.org/10.29121/ijetmr.v10.i3.2023.1274