Verdy Bayu Winarso and Rafika Kusumandari 2026. Development of Puzzle Games to Foster Basic Mathematical Skills in Early Childhood. International Journal of Education, Language, Literature, Arts, Culture, and Social Humanities. 4, 3 (Aug. 2026), 42–53. DOI:https://doi.org/10.59024/ijellacush.v4i3.1935.