Salafudin, Wasino. Teachers’ Perceptions of the Implementation of Teacher Certification in State Junior High Schools in Gabus District Grobogan Regency. Visionary [Internet]. 2026 Apr. 9 [cited 2026 Sep. 8];14(1):254-8. Available from: https://e-journal.undikma.ac.id/index.php/visionary/article/view/19794