The impact of integrating storytelling and concept maps on the achievement of second grade middle school students in mathematics. Journal of Scientific Development for Studies and Research (JSD), [S. l.], v. 6, n. 22, p. 258_280, 2025. DOI: 10.61212/jsd/379. Disponível em: https://jsd.sdasmart.org/index.php/jsd/article/view/379. Acesso em: 7 mar. 2026.