Olubunmi A. ADETOYE, Aliyu ABUBAKAR, Ibrahim M. LAWAL, Olu O. OLUBAJO, and Chima D. AGOR, “Degradation Resistance of Bio-Concrete Containing Rice Husk Ash and Bacillus Subtilis under Acidic, Sulfate, and Elevated Temperature Exposure”, UJET, vol. 3, no. 2, pp. 339–346, Aug. 2026.