A. T., Adeyokunnu, Adeyemi, F.O., and Afolabi, L.A. 2022. “Rheological Study on Strength Characteristics of Sandcrete Hollow Block Admixed With Oil Palm Stem Ash”. Engineering And Technology Journal 7 (9):1497-1503. https://doi.org/10.47191/etj/v7i9.10.