S. Srivastava, “Determination of Substrate Dependent Enhancement of Vitamin B12 Synthesis during Mixed Culture Fermentation of Soybean, Bengal Gram and Rice with Microbial Species”, IJRAMT, vol. 2, no. 11, pp. 163–170, Dec. 2021, Accessed: Oct. 18, 2024. [Online]. Available: https://journals.ijramt.com/index.php/ijramt/article/view/1559