1.
Al Ayyubi II, Nurhikmah, Noerzanah F, Prayetno E, Asri MR. Math Puzzles and Free Play: Which is More Effective for Children’s Spatial Development?. IJEC [Internet]. 2025 Jul. 28 [cited 2026 Aug. 4];7(2):264-79. Available from: https://jurnal.unw.ac.id/index.php/IJEC/article/view/3932