Prima, Elizabeth. “METODE REWARD DAN PUNISHMENT DALAM MENDISIPLINKAN SISWA KELAS IV DI SEKOLAH LENTERA HARAPAN GUNUNG SITOLI NIAS”. JIAB: Journal of Inovative Accounting and Business 1, no. 2 (July 28, 2016). Accessed May 13, 2026. https://jurnal.undhirabali.ac.id/index.php/Jepun/article/view/177.