Lubis SPA, Kamtini. The Effect of the Educational Game "Edu-Games Bobby Bola" on Cognitive Ability (Using Number Symbols to Count) Children Aged 5-6 Years at Pembina Tanjung Morawa State Kindergarten 2022/2023 Academic Year. IJAR [Internet]. 2023 Aug. 31 [cited 2026 Jun. 21];2(8):1085-96. Available from: https://journal.formosapublisher.org/index.php/ijar/article/view/5362