Lubis, Leli, Dwina Putri, Ali Ritonga, Azhar Azhar, and Haris Suwondo. 2023. “Quality Improvement of Education Based on School-Based Management at Madrasah Aliyah Negeri 1 Deli Serdang”. Edumaspul: Jurnal Pendidikan 7 (1), 102-7. https://ummaspul.e-journal.id/maspuljr/article/view/5268.