ZULFIANI, R.; ZULAIKHAH. Hubungan Kondisi Lingkungan Dengan Tingkat Konsentrasi Siswa. EDUCATOR (DIRECTORY OF ELEMENTARY EDUCATION JOURNAL) , [S. l.], v. 2, n. 1, p. 1–22, 2021. DOI: 10.58176/edu.v2i1.134. Disponível em: https://ejournal.iaingorontalo.ac.id/index.php/edu/article/view/134. Acesso em: 22 nov. 2024.