Ayla Azzura, Teuku Bertha Firdana, Nurhannas Sura Bimanta Sitepu, Fathurrahman Simatupang. CASE STUDY: THE EFFECT OF HEALTHY EATING PATTERNS ON STUDENTS’ LEARNING CONCENTRATION. MEDALION [Internet]. 2025 Feb. 8 [cited 2025 Feb. 11];6(1):18-21. Available from: http://medalionjournal.com/index.php/go/article/view/168