R. S. UGYE; I. GARBA; A. K. OLADELE. Effect of Zinc Dialkyl Dithiophosphate (ZDDP) Additive on the Physicochemical Characteristics of Neem Oil-Based Bio-Lubricants. Journal of Systematic, Evaluation and Diversity Engineering, Nigeria, v. 9, n. 5, 2025. DOI: 10.70382/ajsede.v9i5.023. Disponível em: https://africanscholarpub.com/ajsede/article/view/1389.. Acesso em: 11 nov. 2026.