Priyom, Sudipto Nath, Md. Moinul Ismal, and Wahhida Shumi. “Assessment on Strength Characteristics of Microbial Concrete by Using Bacillus Subtilis As Self-Healing Agent: A Critical Review”. International Journal of Sustainable Construction Engineering and Technology 11, no. 4 (February 2, 2021): 34–44. Accessed June 29, 2022. https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/8080.