CHRISTIANA, A. E.; ABIDDIN, A. H.; MARTININGSIH, W. The Relationship between Breakfast Habits and Learning Concentration of Elementary School Students. Health Access Journal, [S. l.], v. 1, n. 3, p. 91–98, 2024. DOI: 10.31290/haj.v1i3.4580. Disponível em: https://ojs.poltekkes-malang.ac.id/HAJ/article/view/4580. Acesso em: 27 oct. 2025.