Ayla Azzura, Teuku Bertha Firdana, Nurhannas Sura Bimanta Sitepu, and Fathurrahman Simatupang. “CASE STUDY: THE EFFECT OF HEALTHY EATING PATTERNS ON STUDENTS’ LEARNING CONCENTRATION”. MEDALION JOURNAL: Medical Research, Nursing, Health and Midwife Participation, vol. 6, no. 1, Feb. 2025, pp. 18-21, doi:10.59733/medalion.v6i1.168.