Lukitaningsih, Mhd Yusuf Nasution and Prihatin Ningsih Sagala 2021. Parental Assistance Model in Online Learning for children Pandemic Period in Medan City. International Journal of Educational Research & Social Sciences . 2, 6 (Dec. 2021), 1411–1417. DOI:https://doi.org/10.51601/ijersc.v2i6.201.