ADO, Oryina Emmanuel; IBRAHIM, Hamisu; LAWAL, Nasir Sallau. Comparative Study between ISO VG-46 and Biolubricants Synthesized from Neem (Azadirachta indica) and Calabash (Lagenaria siceraria) Seed Oils Using Calcium Oxide (CaO) Catalyst Obtained from Eggshells for Application as Hydraulic Fluids. UMYU Scientifica, [S. l.], v. 5, n. 1, p. 101–109, 2026. DOI: 10.56919/usci.2651.009. Disponível em: https://publications.umyu.edu.ng/scientifica/index.php/usci/article/view/548. Acesso em: 13 apr. 2026.