SRIYANTO; SUYATNO; ISHAFIT. Efforts to Improve The Professionalism of High School Teachers In Bantul Regency: The Impact of Classroom Action Research On Teaching Performance . Nidhomul Haq : Jurnal Manajemen Pendidikan Islam, [S. l.], v. 10, n. 2, p. 489–500, 2025. DOI: 10.31538/ndhq.v10i2.167. Disponível em: https://nidhomulhaq.uacmjk.ac.id/index.php/ndh/article/view/167. Acesso em: 19 mar. 2026.