nafisa, A. N., & Budi Rahayu. (2023). The Relationship between Body Mass Index and Hemoglobin Levels in Young Girls at SMA Muhammadiyah 7 Yogyakarta. JURNAL KEBIDANAN KESTRA (JKK), 6(1), 20–27. https://doi.org/10.35451/jkk.v6i1.1817