JAGBA, Shadrack Aondona; IJOH, Herbert Uvirsue; ANEBU, Sunday. Effect of Used Engine Oil as a Chemical Admixture on the Properties of Normal and Pozzolanic Concrete. FUDMA Journal of Sciences, [S. l.], v. 10, n. 16, p. 707–718, 2026. DOI: 10.33003/fjs-2026-1016-5921. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/5921. Acesso em: 13 sep. 2026.