Yuni Dwi Marisa, Muhammad Badrun, Tri Yuni Hendrowati, and Fatqul Hajar Aswad. 2026. “Implementation of School Leadership in Improving Management Standards: A Case Study at SMP Negeri 1 Kotaagung”. Jurnal Visionary : Penelitian Dan Pengembangan Dibidang Administrasi Pendidikan 14 (2):288-94. https://doi.org/10.33394/vis.v14i2.19846.