Widiastuti, Yuanita Kristiani Wahyu, et al. “Early Childhood Education Teachers Consistency of E-Learning Programs”. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, vol. 5, no. 2, Jan. 2021, pp. 1799-06, doi:10.31004/obsesi.v5i2.1010.