Chalidaziah, W. 2018. Kondisi Konsentrasi Belajar Anak Usia Dini di Taman Kanak-Kanak X. Aṭfālunā Journal of Islamic Early Childhood Education. 1, 1 (Jun. 2018), 24-28. DOI:https://doi.org/10.32505/atfaluna.v1i1.771.