Amartey YD, Taku JK, Sada BH. Optimization Model for Compressive Strength of Sandcrete Blocks Using Cassava Peel Ash (CPA) Blended Cement Mortar as Binder. Kathmandu University J of Sci, Engineering & Technol. 2018;13(2):1-14. doi:10.3126/kuset.v13i2.21279