LESTARI OCTAVIA; SUMBADRA; MOCH ILHAM FARIS BALADRAF. Development of a Sugar-Free Functional Drink to Enhance Concentration in Healthy Young Adults: A Literature-Based Formulation and Trial Proposal. ARMADA : Jurnal Penelitian Multidisiplin, [S. l.], v. 4, n. 5, p. 709–718, 2026. DOI: 10.55681/armada.v4i5.2153. Disponível em: https://ejournal.45mataram.ac.id/index.php/armada/article/view/2153. Acesso em: 13 jun. 2026.