Kosgey, Wilson, Simpson Osano, and Sixtus Mwea. “Characteristics of Cinder Gravel As Road Pavement Construction Material in Meru County, Kenya”. East African Journal of Engineering 6, no. 1 (January 4, 2023): 16-35. Accessed March 29, 2024. https://journals.eanso.org/index.php/eaje/article/view/1038.