GLUCKSTERN, Norma; IVEY, Allen; FORSYTH, Douglas. Patterns of Acquisition and Differential Retention of Helping Skills and their Effect on Client Verbal Behaviour. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 13, n. 1, 2012. Disponível em: https://jhistsex.org/index.php/rcc/article/view/60219. Acesso em: 27 dec. 2025.