(1)
Ulvia, R.; Nurhasanah, D.; Byhaqy, A.; Afrida, V. N.; Arifah, M. DPPH Free Radical Scavenging Activity of Combined Leaf Extracts of Gynura Procumbens (Lour.) Merr. And Psidium Guajava L. Media ilmu kesehatan 2025, 14, 328-338.