Yunita, Viona, and Tonny Maigoda. 2023. “The The Roles of Micro Nutrition Substances (Folic Acid, Vitamin C, Zink) on the Incidence of Anemia in Addolescent Girls”. JPK : Jurnal Proteksi Kesehatan 12 (2), 169-76. https://jurnal.pkr.ac.id/index.php/JPK/article/view/719.