Koshe Hareru, W., Belayneh Asfaw, F. . and Ghebrab , T. . (2022) “Physical and Chemical Characterization of Coffee Husk Ash Effect on Partial Replacement of Cement in Concrete Production”, International Journal of Sustainable Construction Engineering and Technology, 13(1), pp. 167–184. Available at: https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/9509 (Accessed: 13 August 2022).