HASIBUAN, F. A.; SURYOPRABOWO, S.; CHEAH, E. S. G. Coffee Grounds Waste Valorization into Natural Antioxidant Extracts for Food Preservation. International Journal of Food Sciences and Nutrition Innovations, [S. l.], v. 2, n. 1, p. 44–56, 2026. DOI: 10.58723/ijfsni.v2i1.211. Disponível em: https://e-journal.gomit.id/ijfsni/article/view/211. Acesso em: 4 aug. 2026.