Mteza, S. B., A. LEMA, and P. N. Singh. “PRELIMINARY INVESTIGATION OF CEMENT FROM RICE HUSKS,SEASHELLS AND KAOLIN”. Tanzania Journal of Engineering and Technology 20, no. 2 (August 14, 2018). Accessed December 5, 2024. https://journals.udsm.ac.tz/index.php/tjet/article/view/2075.