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. Proceedings of The ICECRS, [S. l.], v. 9, 2021. DOI: 10.21070/icecrs2021906. Disponível em: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/906. Acesso em: 13 sep. 2025.