Siti Qomariah and Luluk Iffatur Rocmah 2025. Abacus Games Foster Concentration and Socioemotional Skills in Early Childhood: Permainan Abacus Membantu Mengembangkan Konsentrasi dan Keterampilan Sosial-Emosional pada Anak Usia Dini. Academia Open. 10, 1 (Jun. 2025), 10.21070/acopen.10.2025.12305. DOI:https://doi.org/10.21070/acopen.10.2025.12305.