1.
Sunarno, Indah Pitriani G, Jafar FS. PENINGKATAN KEMAMPUAN BERHITUNG 1-20 MELALUI PERMAINAN PUZZLE DI TK TUNAS MUDA KOTA BANGUN . Early. Child. J. [Internet]. 2021 Jun. 30 [cited 2026 Apr. 1];1(1):30-6. Available from: https://jurnal.fkip.unmul.ac.id/index.php/ecj/article/view/210