Marfu’ah, L. and Istikomah, I. 2021. The Effectiveness of Online Learning in Elementary School Children: Efektifitas Pembelajaran Daring Pada Anak Sekolah Dasar. Academia Open. 4, (Jun. 2021), 10.21070/acopen.4.2021.2744. DOI:https://doi.org/10.21070/acopen.4.2021.2744.