R. Moni, M. Salahuddin, M. A. A. N. Khan, U. S. Zohora, and M. S. Rahman, “Repeated batch fermentation for protease production using biofilm fermentation of Bacillus sp”., Jahangirnagar Univ. J. Biol. Sci., vol. 6, no. 2, pp. 29–38, May 2018.