LOPEZ, F.; TORRES, A. Categorizing behavior in observational research: A case history. Mexican Journal of Behavior Analysis, [S. l.], v. 17, n. 3, p. 7–21, 2011. DOI: 10.5514/rmac.v17.i3.23337. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/23337. Acesso em: 4 may. 2024.