Hương, Phương Thị, and Vũ Văn Hạnh. “Selection of the Fermentation Conditions for the Growth of Bacillus Subtilis BSVN15 Used in Production of Probiotic for Livestock”. Vietnam Journal of Biotechnology 16, no. 1 (December 17, 2018): 167–172. Accessed May 3, 2024. https://vjs.ac.vn/index.php/vjbt/article/view/10086.