Dikalni, D., Louise, Y., Manuramadanti, N., & Sari, U. P. (2024). Improving The Effectiveness of School Management: Training of School Principals In The Preparation of Lesson Plans, Improvement of Facilities and Infrastructure, and Handling Delays In Submitting Student Assignments. Educativo: Jurnal Pendidikan, 3(1), Page 10–16. https://doi.org/10.56248/educativo.v3i1.247