Nur Sabrina Aisya Putri Radjak, Siti Rahma and Andi Mursyidah (2026) “The Relationship of Breakfast and Hemoglobin Levels in Adolescent Girls at SMP Negeri 1 Tapa”, International Journal of Health, Economics, and Social Sciences (IJHESS), 8(1). doi: 10.56338/ijhess.v8i1.10391.