RUSNAINI. Improving Early Childhood Learning Concentration through Brain Games and Brain Gymnastics: Peningkatan Konsentrasi Belajar Anak Usia Dini melalui Brain Games dan Senam Otak. Journal of Vocational Education and Information Technology (JVEIT), [S. l.], v. 7, n. 1, p. 45–52, 2026. DOI: 10.56667/jveit.v7i1.2283. Disponível em: https://ejournal.undhari.ac.id/index.php/jveit/article/view/2283. Acesso em: 15 jul. 2026.