Game Boards as a Strategy for Strengthening Attention Span and Working Memory in Group A Children Aged 4–5 Years: A Classroom Action Research Study Using the Kemmis and McTaggart Model. piaudku [Internet]. 2026 Mar. 31 [cited 2026 Aug. 8];5(1):66-83. Available from: https://journal.iaipibandung.ac.id/index.php/piaudku/article/view/397