Sulpat E, Listianingsih F. RELATIONSHIP LEVEL OF PARENTAL KNOWLEDGE ABOUT THE FUNCTION OF PLAYING WITH THE PROVISION OF APE (EDUCATIONAL GAME TOOLS) CHILDREN AGED 4-6 YEARS IN BALONG TUNJUNG VILLAGE, BENJENG DISTRICT, GRESIK. JoViN [Internet]. 2021 May 31 [cited 2024 Aug. 2];2(1):13-7. Available from: https://e-journal.unair.ac.id/JoViN/article/view/25933