Ayodele, A., I. . Ajibola, and A. . Fajobi. “Impact of Rice Husk Ash Based-Geopolymer on Some Geotechnical Properties of Selected Residual Tropical Soils”. Nigerian Journal of Technological Development, vol. 21, no. 2, July 2024, pp. 22-31, doi:10.4314/njtd.v21i2.2417.