RIBES IÑESTA, E.; J. TORRES, C. A comparative study of first- and second-order matching-to-sample training procedures. Mexican Journal of Behavior Analysis, [S. l.], v. 27, n. 3, p. 385–401, 2011. DOI: 10.5514/rmac.v27.i3.23583. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/23583. Acesso em: 4 may. 2024.