Akorli, K. S, K Danso, J Ayarkwa, and A Acheampong. “Investigating the Compressive Strength Properties of Concrete Using Some Common Ghanaian Ordinary Portland Cements”. International Journal of Technology and Management Research 6, no. 2 (September 13, 2021): 154-166. Accessed October 4, 2024. https://ijtmr.ktu.edu.gh/index.php/ijtmr/article/view/135.