Iqbal, M. N., A. Ashraf, and I. Iqbal. “Lactic Acid Bacteria from Dairy Products: Probiotic Potential and Biotherapeutic Effects”. PSM Microbiology, vol. 4, no. 4, Dec. 2019, pp. 88-90, https://psmjournals.org/index.php/microbiol/article/view/375.