Prayuda H. Repairing of Flexural Cracks on Reinforced Self-Healing Concrete Beam using Bacillus Subtillis Bacteria. ijie [Internet]. 2020 May 14 [cited 2024 May 19];12(4):300-9. Available from: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/6318