Dwi Widjanarko, Ratna Dewi Kusumaningtyas, Sucihatiningsih Dian Wisika Prajanti, Samsudin Anis, Harumi Veny, Hasan Maksum, … Krisma Nandes Al Rafi. (2026). Biodiesel from waste cooking oil produced via ultrasonic-assisted transesterification and its optimal performance in light truck. Applied Chemical Engineering, 9(2), ACE-5921. https://doi.org/10.59429/ace.v9i2.5921