ANDRIANI, Y., SAFITRI, R., ROCHIMA, E., & FAKHRUDIN, S. D. (2017). Characterization of Bacillus subtilis and B. licheniformis potentials as probiotic bacteria in Vanamei shrimp feed (Litopenaeus vannamei Boone, 1931). Nusantara Bioscience, 9(2), 188-193. https://doi.org/10.13057/nusbiosci/n090214