Principal’s Leadership Style Correlation With Improved External Quality Assurance System: Korelasi Gaya Kepemimpinan Kepala Sekolah Dengan Peningkatan Sistem Penjaminan Mutu Eksternal. halaqa [Internet]. 2022 July 14 [cited 2026 Nov. 13];6(1):51-7. Available from: https://halaqa.umsida.ac.id/index.php/halaqa/article/view/1603