Koirala, N., S. Khanal, S. Chaudhary, S. Gautam, S. N. Sah, P. Subba, N. Marraiki, and G. E.-S. Batiha. “Potential Surface Active Agent Production Using Very Low Grade and Cheap Substrate by Bacillus Subtilis As Microbial Cell Factory”. Nepal Journal of Biotechnology, vol. 9, no. 2, Dec. 2021, pp. 21-28, https://www.nepjol.info/index.php/NJB/article/view/41910.