Adzami, N. S., Ghazali, M. F., Ramli, A. H., Tajarudin, H. A., & Daud, Z. (2019). A new potential of scalable method for the production of calcium carbonate by Bacillus sphaericus in batch fermentation. International Journal of Integrated Engineering, 10(9). https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/2406