Tanbiyaskur, T., W. Widanarni, and A. M. Lusiastuti. “Administration of Bacillus NP5 and Oligosaccharide to Enhance the Immune Response in Tilapia Oreochromis Niloticus towards Streptococcosis”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 20, no. 2, Mar. 2015, pp. 304-15, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3506.