IŞIKGÖZ, E. Analysis on math success of secondary school students playing and not playing chess (Sakarya province sample). Journal of Human Sciences, [S. l.], v. 13, n. 1, p. 1689–1699, 2016. Disponível em: https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/3693. Acesso em: 5 may. 2024.