D. A. Ekpechi, Opkalaku-nath, V. C., Opara, U. V., Ezeaku, N. I., Nwankwo, E. I., Nwankwo, C. A., Hassan, A., Osasona, C. O., & Jackson, D. O. (2025). Modeling and Comparative Analysis of the Compressive Strength of Concretes of Varying Sand Zones Using Scheffe’s Theory. Engineering Science & Technology, 6(2), 177–201. https://doi.org/10.37256/est.6220255525