Wulansari, Nadya Treesna, et al. “The Effectiveness Probiotic Drink of Salak Bali (Salacca Zalacca) in Inhibiting Growth of Escherichia Coli”. Jurnal Biologi Tropis, vol. 22, no. 3, Sept. 2022, pp. 934-9, doi:10.29303/jbt.v22i3.3515.