“The Roles of Micro Nutrition Substances (Folic Acid, Vitamin C, Zink) on the Incidence of Anemia in Addolescent Girls” (2023) JURNAL PROTEKSI KESEHATAN, 12(2), hlm. 169–176. Tersedia pada: https://jurnal.pkr.ac.id/JPK/article/view/719 (Diakses: 18 Januari 2026).