Purba, Romirio Torang, and Amelia Paramitha Dewi Putri. “PENGARUH PENGUATAN POSITIF TERHADAP SIKAP PERHATIAN MURID KELAS SATU SEKOLAH DASAR”. Aletheia Christian Educators Journal 4, no. 2 (November 13, 2023): 53–60. Accessed June 4, 2026. https://aletheia.petra.ac.id/index.php/aletheia/article/view/145.