RAHAYU, D. .; ADRIANSYAH, M. A.; RAHMAH, D. D. N. .; SANHADI, P. Y. T. .; HASAN, M. Q.; KALBU, M. N. . Brain Gym Therapy: Focus Attention as an Effort to Improve Student Learning Concentration. International Journal of Social Science and Business, [S. l.], v. 6, n. 3, p. 404–409, 2022. DOI: 10.23887/ijssb.v6i3.47644. Disponível em: https://ejournal.undiksha.ac.id./index.php/IJSSB/article/view/47644. Acesso em: 30 dec. 2024.