Siringoringo, Citra, Osco Parmonangan Sijabat, and Eva Pasaribu. “ Pengaruh Pemberian Penguatan Guru Terhadap Hasil Belajar IPS Siswa Kelas V SD Negeri 124400 Pematang Siantar”. Innovative: Journal Of Social Science Research 3, no. 2 (June 4, 2023): 7302–7312. Accessed May 15, 2026. https://j-innovative.org/index.php/Innovative/article/view/1209.