Ibu, T. A., and A. Aboshio. “Mechanical and Durability Performance of Rice Husk Ash–Periwinkle Shell Ash Blended Concrete under Crude Oil Exposure”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 22, no. 2 (June 3, 2026): 366-376. Accessed June 10, 2026. https://www.azojete.com.ng/index.php/azojete/article/view/1300.