Sriyanto, Suyatno, and Ishafit. 2025. “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 10 (2):489-500. https://doi.org/10.31538/ndhq.v10i2.167.