Utama, C.S., et al. “Probiotic Testing of Lactobacillus Brevis and Lactobacillus Plantarum from Fermented Cabbage Waste Juice”. Pakistan Journal of Nutrition, vol. 17, no. 7, June 2018, pp. 323–328, https://doi.org/10.3923/pjn.2018.323.328.