Hariningsih, Y., Ma’arif, S., Nurhayati, S., & Khoiriyyah, J. (2026). Formulation and Efficacy Testing of Antioxidant Facial Serum Containing Gold Nanoparticles and Arabica Coffee Fruit Skin Extract (Coffea arabica L.) as an Anti-Aging Agent. MEDFARM: Jurnal Farmasi Dan Kesehatan, 15(1), 282-295. https://doi.org/10.48191/medfarm.v15i1.773