Dagan, D. (2020) “Upaya Meningkatkan Disiplin Guru Melalui Sistem Reward And Funishment Guna Menunjang Efektivitas Proses Belajar Mengajar Di SD Negeri Tumbang Kalemei: Efforts to Improve Teacher Discipline through a Reward and Funishment System to Support the Effectiveness of the Teaching and Learning Process at SD Negeri Tumbang Kalemei”, Tunas: Jurnal Pendidikan Guru Sekolah Dasar, 6(1), pp. 1–7. doi: 10.33084/tunas.v6i1.2059.