Priyanto, Lukman Dwi. “The Relationship of Age, Educational Background, and Physical Activity on Female Students With Anemia”. Jurnal Berkala Epidemiologi 6, no. 2 (August 30, 2018): 139–146. Accessed November 30, 2024. https://e-journal.unair.ac.id/JBE/article/view/8282.