“Leaflet-Based Balanced Nutrition Education to Support Healthy Eating Habits for Eighth Grade Students at SMP Negeri 31 Medan Tuntungan”. JURNAL PENGMAS KESTRA (JPK) 5, no. 2 (December 31, 2025): 395–400. Accessed January 6, 2026. https://ejournal.medistra.ac.id/index.php/JPK/article/view/3339.