“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, Desember 2023, hlm. 169-76, https://jurnal.pkr.ac.id/JPK/article/view/719.