Gafur A. The Role of Principal Leadership in Improving the Work Ethic of Islamic Religious Education Teachers (Pai) at SD Muhammadiyah 2 Sidoarjo: Peran Kepemimpinan Kepala Sekolah Dalam Meningkatkan Etos Kerja Guru Pendidikan Agama Islam(Pai) Di SD Muhammadiyah 2 Sidoarjo. icecrs [Internet]. 2021 Apr. 29 [cited 2025 Sep. 13];9. Available from: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/906