Dwi Widjanarko; Ratna Dewi Kusumaningtyas; Sucihatiningsih Dian Wisika Prajanti; Samsudin Anis; Harumi Veny; Hasan Maksum; Riski Deriansyah; Indra Wahyu Kurniawan; Krisma Nandes Al Rafi. Biodiesel from Waste Cooking Oil Produced via Ultrasonic-Assisted Transesterification and Its Optimal Performance in Light Truck. Appl. Chem. Eng. 2026, 9, ACE-5921.