Lukitaningsih, Mhd Yusuf Nasution, Prihatin Ningsih Sagala. Parental Assistance Model in Online Learning for children Pandemic Period in Medan City. IJERSC [Internet]. 2021 Dec. 19 [cited 2026 Feb. 11];2(6):1411-7. Available from: https://ijersc.org/index.php/go/article/view/201