Hasri, Suriati Eka Putri, Satria Putra Jaya Negara, Nur Afni, and Fadil Anwar. “Synthesis of NiO Nanoparticles As a Catalyst in Transesterification Reaction from Used Cooking Oil for Biodiesel Production”. Science and Technology Indonesia 11, no. 1 (January 2, 2026): 280–287. Accessed May 8, 2026. https://sciencetechindonesia.com/index.php/jsti/article/view/2074.