G. N. Lismawan, D. Septiani, B. C. Ramadhani, and A. S. Ramadhany, “Comparison of the Immunomodulatory Activity of Red Ginger (Zingiber officinale var. rubrum) Extract and Turmeric (Curcuma longa L.) on Immune Responses in Experimental Animals: A Literature Review”, JPS, vol. 9, no. 1, pp. 575–587, Feb. 2026.