Lestari, Budi, 		Nisak, Hanifatun, 		Rahayu, Sri, AND 		Fridolina, Elizabet.
" Problem With Parents In Online Learning Assistance For Children Aged 4-5 Years During The COVID-19 Pandemic" <em>Sentra Cendekia</em> [Online], Volume 2 Number 2 (30 July 2021)