PUTRI, V. M. “VMP Improving the Cognitive Abilities of 4-5 Year Old Children Through Simple Scientific Puzzle Games: Meningkatkan Kemampuan Kognitif Anak Usia 4-5 Tahun Melalui Permainan Puzzel Saintifik Sederhana”. International Journal of Emerging Issues in Early Childhood Education, vol. 5, no. 1, Feb. 2026, https://jurnal-fkip.ut.ac.id/index.php/ijeiece/article/view/1911.