Zulvira, R. ., N. Neviyarni, and I. Irdamurni. “Karakteristik Siswa Kelas Rendah Sekolah Dasar”. Jurnal Pendidikan Tambusai, vol. 5, no. 1, June 2021, pp. 1846-51, https://jptam.org/index.php/jptam/article/view/1187.