C.E. Okere, N.N. Osadebe, and D.O. Onwuka. 2014. “Prediction of Flexural Strength of Soilcrete Blocks Using Scheffe’s Simplex Lattice Design”. International Journal of Computer Sciences and Engineering 2 (1):52-60. https://ijcse.isroset.org/index.php/j/article/view/33.