A. Alabi, A., A. A. Shahada, and I. B. Garba. “The Effect of Selected Polymers on Mechanical Properties of Bitume”. Health, Safety and Environment 2, no. 2 (November 13, 2020): 67-77. Accessed July 3, 2024. https://sjournals.com/index.php/hse/article/view/1545.