Upaya Meningkatkan Disiplin Guru dalam Kehadiran Mengajar melalui Penerapan Reward and Punishment di SMPN 6 Muntok. JISIP [Internet]. 2023 Jan. 20 [cited 2026 Jul. 1];7(1):538-45. Available from: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/4415