YULIANTI, N. R.; PUSPITA, A. D. A.; WAHYUNINGRUM, E. Sleep Disturbances and Concentration in Elementary School Students. Informasi dan Promosi Kesehatan , [S. l.], v. 4, n. 1, p. 83–90, 2025. DOI: 10.58439/ipk.v4i1.385. Disponível em: https://e-journal.saku.co.id/index.php/IPK/article/view/385. Acesso em: 28 feb. 2026.