P. U. Adah, S. S. Samuel, G. I. Oli, R. R. Ana, S. Nwoziri, and O. A. Osha, “Physiochemical and Mechanical Performance of Portland Cement Grades Marketed in Nigeria”, FJS, vol. 10, no. 20, pp. 119–126, Oct. 2026, doi: 10.33003/fjs-2026-1020-5762.