G. Ghoneim, Amr, Hilal A. Hassan, and Louay A. Aboul-Nour. “Self-Repairing Polyethylene Fiber-Reinforced-Concrete With Bacillus Subtilis Bacteria a Review”. International Journal of Engineering & Technology 9, no. 2 (April 28, 2020): 437–447. Accessed April 28, 2024. https://sciencepubco.com/index.php/ijet/article/view/30172.