TY - JOUR T1 - Biofuel Production from Waste Cooking Oil over Copper-Metal-Organic Framework/ Potassium Oxide Catalyst for Alternative Bioenergy AU - Tri Widjaja,Ali Altway,Shofia Khoirunnisa,Dinda Amelia Nurhanifa,Mahfud Mahfud,Hendro Juwono,Joni Prasetyo,Deliana Dahnum,Aisyah Alifatul Zahidah Rohmah JO - International Journal of Technology VL - 17 IS - 2 SP - 291 EP - 319 PY - 2026 DA - 2026/03/31 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v17i2.8009 UR - https://ijtech.eng.ui.ac.id/article/view/8009