Tindaon, Juwita, and Eti Muliani. “PENGARUH PEMBERIAN PENGUATAN (REINFORCEMENT) DI MASA COVID-19 TERHADAP HASIL BELAJAR SISWA KELAS V SD NEGERI 054870 TANJUNG JATI KEC. BINJAI”. JURNAL HANDAYANI PGSD FIP UNIMED 12, no. 2 (December 2, 2021): 48–55. Accessed July 5, 2025. https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/34212.