Widayat, Widayat, Rani Amelia Sumarno, Yufridha Yuni Ananda, Sulardjaka Sulardjaka, and John Philia. 2025. “Catalytic Conversion of Palm Acid Oil and Bulk Cooking Oil to Biodiesel Using Fe/Aluminosilicate”. International Journal of Innovative Research and Scientific Studies 8 (3):12-29. https://doi.org/10.53894/ijirss.v8i3.6425.