“The Roles of Micro Nutrition Substances (Folic Acid, Vitamin C, Zink) on the Incidence of Anemia in Addolescent Girls” (2023) JPK : Jurnal Proteksi Kesehatan, 14(2). Available at: https://jurnal.polkesri.ac.id/index.php/JPK/article/view/719 (Accessed: 10 January 2026).