“PENGARUH PEMBERIAN PENGUATAN (REINFORCEMENT) DI MASA COVID-19 TERHADAP HASIL BELAJAR SISWA KELAS V SD NEGERI 054870 TANJUNG JATI KEC. BINJAI”, JH, vol. 12, no. 2, pp. 48–55, Dec. 2021, doi: 10.24114/jh.v12i2.34212.