Muhammad, S., 		Siddiqui, H., 		Abro, M., 		Usmani, A., & 		Malik, M.
2021 Mar 31.  Bacillus Subtilis as Self-Healing Agent in Cement Mortar:  Combined and the Separate Effect of Bacteria and Calcium  Lactate on Self-Healing Behavior in Cement Mortar. Mehran University Research Journal of Engineering and Technology. [Online] 40:2