Sinabutar SG, Purba N, Thesalonika E. Hubungan Reward and Punishment Dengan Motivasi Belajar Siswa Kelas V . PIJAR [Internet]. 2025 Dec. 30 [cited 2026 Jun. 13];4(1):384-93. Available from: http://putrapublisher.org/index.php/pijar/article/view/1399