Devwiyanti W, Rahmawati A, Suratini S. Health education "isi piringku" improves balanced nutrition knowledge of elementary school students. Pro.Senmas.LPPM.Unisa.Yogya [Internet]. 2024 Oct. 7 [cited 2025 Sep. 29];2:1588-94. Available from: https://proceeding.unisayogya.ac.id/index.php/prosemnaslppm/article/view/219