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Sinabutar SG, Purba N, Thesalonika E. Hubungan Reward and Punishment Dengan Motivasi Belajar Siswa Kelas V . PIJAR [Internet]. 2025 Dec. 30 [cited 2026 Oct. 27];4(1):384-93. Available from: https://www.putrapublisher.org/index.php/pijar/article/view/1399