Faradilla, Meriza, and Khairul Rizal. “Phytochemical Screening Analysis of Guava Leaf Extract (Psidium Guajava L.) Against the Content of Saponins, Tannins, and Flavonoids”. Journal of Natural Sciences and Mathematics Research 9, no. 2 (December 13, 2023): 117–126. Accessed June 25, 2025. https://journal.walisongo.ac.id/index.php/JNSMR/article/view/17835.