nafisa, A.N. and 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 (Oct. 2023), 20–27. DOI:https://doi.org/10.35451/jkk.v6i1.1817.