MUHAMMAD, Sohail et al.
 Bacillus Subtilis as Self-Healing Agent in Cement Mortar: The Effect of Curing Time and Amount of Calcium Lactate on Strength.
<strong>Mehran University Research Journal of Engineering and Technology</strong>, [S.l.], v. 40, n. 4, p. 889 - 897, oct. 2021.
ISSN 2413-7219.
Available at: &lt;<a href="https://publications.muet.edu.pk/index.php/muetrj/article/view/2292" target="_new">https://publications.muet.edu.pk/index.php/muetrj/article/view/2292</a>&gt;. Date accessed: 27 apr. 2024.
doi: <a href="http://dx.doi.org/10.22581/muet1982.2104.19">http://dx.doi.org/10.22581/muet1982.2104.19</a>.