Mahirah Azfina Harahap, Nazilah Ramadhani, Rafa Arya Dilla and Alfinza Rajad Husein (2025) “IMPROVING STUDENT ACHIEVEMENT IN A BEAUTIFUL ENVIRONMENT AT AL-AZHAR MEDAN’S LEADING HIGH SCHOOL”, MEDALION JOURNAL: Medical Research, Nursing, Health and Midwife Participation, 6(4), pp. 423–428. doi: 10.59733/medalion.v6i4.237.