Agyei, Stephen, Kofi Owusu-Sekyere, and Jerry John Kwoffie. “Tensile Strength and Micro-Hardness Properties of Common Roofing Sheets in Ghana”. Diyala Journal of Engineering Sciences 15, no. 2 (June 1, 2022): 10–18. Accessed November 23, 2024. https://mail.djes.info/index.php/djes/article/view/958.