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. 2020;6(1):1-7. doi:10.33084/tunas.v6i1.2059