YUNI DWI MARISA; MUHAMMAD BADRUN; TRI YUNI HENDROWATI; FATQUL HAJAR ASWAD. Implementation of School Leadership in Improving Management Standards: A Case Study at SMP Negeri 1 Kotaagung. Jurnal Visionary : Penelitian dan Pengembangan dibidang Administrasi Pendidikan, [S. l.], v. 14, n. 2, p. 288–294, 2026. DOI: 10.33394/vis.v14i2.19846. Disponível em: https://e-journal.undikma.ac.id/index.php/visionary/article/view/19846. Acesso em: 11 oct. 2026.