[1]
Siti Qomariah and Luluk Iffatur Rocmah, “Abacus Games Foster Concentration and Socioemotional Skills in Early Childhood: Permainan Abacus Membantu Mengembangkan Konsentrasi dan Keterampilan Sosial-Emosional pada Anak Usia Dini”, acopen, vol. 10, no. 1, p. 10.21070/acopen.10.2025.12305, Jun. 2025.