Venkatraman, G., and V. Vanathi. “Quantification of Self-Healing Effect of Bacillus Subtilis on Cementitious Material”. International Journal of Sustainable Construction Engineering and Technology 13, no. 3 (October 20, 2022): 183–194. Accessed May 21, 2024. https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/11212.