Analysis of Breakfast Nutrients and Student Study Concentration. Jurnal Penelitian Sekolah Tinggi Ilmu Kesehatan Nahdlatul Ulama Tuban, [S. l.], v. 5, n. 2, 2024. DOI: 10.47710/jp.v5i2.266. Disponível em: https://ejournal.iiknutuban.ac.id/index.php/jp/article/view/266. Acesso em: 21 jul. 2025.