Ulvia, R., Nurhasanah, D., Byhaqy, A., Afrida, V. N., & Arifah, M. (2025). DPPH free radical scavenging activity of combined leaf extracts of gynura procumbens (Lour.) Merr. and psidium guajava L. MEDIA ILMU KESEHATAN, 14(3), 328–338. https://doi.org/10.30989/mik.v14i3.1799