[1]Pham, T.A. et al. 2023. Improvement of Bacillus clausii cell HH1 density via culture medium optimization and pH-stat fed batch fermentation. <i>Vietnam Journal of Science and Technology</i>. 61, 4 (Jun. 2023), 590–598. DOI:https://doi.org/10.15625/2525-2518/17250.