Dagan D. 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 J Pendidikan Guru Sekolah Dasar [Internet]. 2020Dec.30 [cited 2024Dec.4];6(1):1-7. Available from: https://journal.umpr.ac.id/index.php/tunas/article/view/2059