Nur Sabrina Aisya Putri Radjak, Siti Rahma, & 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). https://doi.org/10.56338/ijhess.v8i1.10391