JAKUBOWSKA, L. . Seniors as a research group in the experimental model. Journal of Education Culture and Society, [S. l.], v. 3, n. 2, p. 27–35, 2020. DOI: 10.15503/jecs20122.27.35. Disponível em: https://jecs.pl/index.php/jecs/article/view/794. Acesso em: 16 oct. 2021.