SITI QOMARIAH; 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. Academia Open, [S. l.], v. 10, n. 1, p. 10.21070/acopen.10.2025.12305, 2025. DOI: 10.21070/acopen.10.2025.12305. Disponível em: https://ojs.umsida.ac.id/index.php/acopen/article/view/12305. Acesso em: 28 feb. 2026.