Handayani, Fitri, Diza Fathamira Hamzah, Fithri Handayani Lubis, and Syafrina Ulfah. 2026. “The Effect of Balanced Nutrition Education on Increasing the Knowledge of Students at SMP Negeri 40 Medan”. Jurnal Kesehatan Masyarakat Perkotaan 6 (1):274-81. https://doi.org/10.37012/jkmp.v6i1.3579.