Singh, Brajeshwar, and Shruti Sharma. “Vitamin B12 Production by Lactobacillus Species Isolated from Milk Products”. Journal for Research in Applied Sciences and Biotechnology 1, no. 2 (June 30, 2022): 48–59. Accessed December 24, 2024. https://jrasb.stallionpublication.com/index.php/jrasb/article/view/261.