PORTER, J.; LACEY, P. Understanding Challenging Behaviour from an Educational Perspective. REACH: Journal of Inclusive Education in Ireland, [S. l.], v. 12, n. 1, p. 45–55, 1988. Disponível em: https://reachjournal.ie/index.php/reach/article/view/350. Acesso em: 4 may. 2024.