Muslimah, Zahwa Octri, et al. “The Relationship Between the Use of Gadgets During the Covid-19 Pandemic on Personal Social and Language Development in Children Aged 4-6 Years”. Nusantara Science and Technology Proceedings, vol. 2024, no. 44, Jan. 2025, pp. 65-73, https://doi.org/10.11594/nstp.2024.4411.