EFEKTIFITAS KETERLIBATAN ORANG TUA DALAM PEMBELAJARAN ANAK USIA DINI SAAT PANDEMI COVID-19. JJB [Internet]. 2020 Feb. 4 [cited 2025 Dec. 8];7(2):34-43. Available from: https://e-journal.umc.ac.id/index.php/JJB/article/view/1346