“The Roles of Micro Nutrition Substances (Folic Acid, Vitamin C, Zink) on the Incidence of Anemia in Addolescent Girls”, JURNAL PROTEKSI KESEHATAN, vol. 12, no. 2, hlm. 169–176, Des 2023, Diakses: 18 Januari 2026. [Daring]. Tersedia pada: https://jurnal.pkr.ac.id/JPK/article/view/719