RAHAYU S. MENINGKATKAN DISIPLIN GURU MELALUI PENERAPAN REWARD AND PUNISHMENT DALAM KEHADIRAN MENGAJAR DI KELAS MASA PANDEMI COVID 19 DI SD NEGERI 003 PAGARAN TAPAH DARUSSALAM. JER [Internet]. 2021 Jun. 30 [cited 2024 May 18];10(1):33-41. Available from: https://journal.upp.ac.id/index.php/edureseach/article/view/980