LUBIS, L. H.; PUTRI, D.; RITONGA, A. S.; AZHAR, A.; SUWONDO, H. Quality Improvement of Education Based on School-Based Management at Madrasah Aliyah Negeri 1 Deli Serdang. Edumaspul: Jurnal Pendidikan, v. 7, n. 1, 2 Mar. 2023.