Saiful bahdar. UPAYA MENINGKATKAN DISIPLIN GURUDALAM KEHADIRAN MENGAJAR DIKELAS MELALUI PENERAPAN REWARD AND PUNISHMENT DI SD NEGERI 1 MENTAWA BARU HULU KABUPATEN KOTAWARINGIN TIMUR . JPDSH [Internet]. 2022 May 24 [cited 2025 Nov. 1];1(7):1333-46. Available from: https://bajangjournal.com/index.php/JPDSH/article/view/2133