Purwanti Y, Purnamawati D. Physical Activity, Sleep Quality, And Gadget Use As Risk Factors For Anemia In Adolescent Girls: A Systematic Literature Review. IJHET [Internet]. 2026 Jul. 11 [cited 2026 Jul. 12];5(2). Available from: https://afdifaljournal.com/journal/index.php/ijhet/article/view/961