SYARIDAWATI; ONDENG, Syarifuddin; MUSTAMI, Khalifah. Improving Teacher Professionalism Through Classroom Action Research to Achieve Better National Education Quality. Golden Ratio of Data in Summary, [S. l.], v. 5, n. 4, p. 117–126, 2025. DOI: 10.52970/grdis.v5i4.980. Disponível em: https://goldenratio.id/index.php/grdis/article/view/980. Acesso em: 19 apr. 2026.