Istawati, R. 2021. Factors Associated with the Incidence of Anemia in Students of Akbid Helvetia Pekanbaru in 2021. JPK : Jurnal Proteksi Kesehatan. 10, 2 (Dec. 2021), 69-77. DOI:https://doi.org/10.36929/jpk.v10i2.341.