Sunarno, Ricky Martin, Olo Chris Simada Pandia, Syaiful Bahri, Panca Setia Utama, and Amun Amri, “Catalytic Co-Pyrolysis of Oil Palm Frond and Plastic Waste into Liquid Fuel using Ni-CaO Catalyst”, J. Adv. Res. Fluid Mech. Therm. Sc., vol. 119, no. 1, pp. 146–163, Jul. 2024.