Improving Nutritional Knowledge Through the Four Healthy Five Perfect Foods Socialization at YP. Ar-ridha Elementary School, Sidomulyo Village: Meningkatkan Pengetahuan Gizi Melalui Sosialisasi Makanan Empat Sehat Lima Sempurna pada SD YP. Ar-Ridha Desa Sidomulyo. jukeshum [Internet]. 2026 Feb. 20 [cited 2026 Nov. 13];6(1):238-43. Available from: https://ojs.unhaj.ac.id/index.php/jukeshum/article/view/1890