Kintoko, K. A. Cendekiawan, Sapto Yuliani, and Firdha Aprillia Wardhani, “Quantitative Mapping of Phytochemical Synergy in Psidium guajava and Piper betle for Antidiarrheal Therapy: A Systematic Review and Meta-Analysis Using Radar Chart Analysis and AUC”, Eu Herb Ina, vol. 7, no. 1, pp. 1-16, Mar. 2026.