A. Okumu, V., M. Shitote, S., & O. Oyawa, W. (2017). Determination of Appropriate Mix Proportions for the Kenyan Blended Portland Cement Concrete Production. American Scientific Research Journal for Engineering, Technology, and Sciences, 31(1), 265–286. Retrieved from https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2944