Effect of concept mapping strategy in teaching-learning economics at higher classes. European journal of volunteering and community-based projects, [S. l.], v. 1, n. 3, p. 30–40, 2020. Disponível em: https://journal.odvcasarcobaleno.it/index.php/ejvcbp/article/view/21. Acesso em: 4 may. 2025.