Ervina R, Monalisa M, Handayani GL, Dewi V. Development of a Digital Pocketbook on Balanced Nutrition as an Educational Media for Preventing Anemia in Teenagers. LINK [Internet]. 2025 Nov. 30 [cited 2026 Oct. 21];21(2):104-13. Available from: https://ejournal.poltekkes-smg.ac.id/ojs/index.php/link/article/view/13099