Muhammad, Sohail, 		Siddiqui, Humair Ahmed, 		Abro, Muhammad Ishaque, 		Usmani, Adil, AND 		Malik, Muhammad Amjad Anwar.
" 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" <em>Mehran University Research Journal of Engineering and Technology</em> [Online], Volume 40 Number 2 (31 March 2021)