SAHRI, Syam. The Efforts to Improve Teachers’ Teaching Skills in Implementing Cooperative Learning Through Classroom Supervision: Upaya Meningkatkan Keterampilan Mengajar Guru Dalam Menerapkan Cooperative learning Melalui Supervisi Kelas. Journal of Vocational Education and Information Technology (JVEIT), [S. l.], v. 2, n. 1, p. 37–42, 2021. DOI: 10.56667/jveit.v2i1.228. Disponível em: https://ejournal.undhari.ac.id/index.php/jveit/article/view/228. Acesso em: 2 aug. 2025.