F. R. Gumelar, F. Suarantika, and B. Rusdi, “In Vitro Evaluation of Prebiotic Potential of Red Ginger (Zingiber officinale var. rubrum) Rhizome Ethanol Extract on Lactobacillus acidophilus and Escherichia coli”, Borneo J Pharm, vol. 7, no. 3, pp. 290–296, Aug. 2024.