MAHIRAH AZFINA HARAHAP; NAZILAH RAMADHANI; RAFA ARYA DILLA; ALFINZA RAJAD HUSEIN. IMPROVING STUDENT ACHIEVEMENT IN A BEAUTIFUL ENVIRONMENT AT AL-AZHAR MEDAN’S LEADING HIGH SCHOOL. MEDALION JOURNAL: Medical Research, Nursing, Health and Midwife Participation, [S. l.], v. 6, n. 4, p. 423–428, 2025. DOI: 10.59733/medalion.v6i4.237. Disponível em: https://medalionjournal.com/index.php/go/article/view/237. Acesso em: 25 dec. 2025.