APAMO-GANNON, BCBA, Jescah. Functional Analysis Contingencies on Precursors: Response Hierarchy Relationship Hypotheses. North American Journal of Medicine and Science, [S. l.], v. 9, n. 4, 2016. Disponível em: https://najms.com/index.php/najms/article/view/317. Acesso em: 26 apr. 2026.