afiah, devi siti. “Classroom Management Problems Faced by Pre-Service Teachers Study Case: At Senior High School 1 of Plumbon”. Academic Journal Perspective : Education, Language, and Literature 6, no. 1 (May 30, 2018): 32–37. Accessed June 16, 2025. http://jurnal.ugj.ac.id/index.php/Perspective/article/view/1129.