SCHUBERT WALKER, Lilly; BUSBY, Keith; WALKER, James L. The Differential Effects of Progressive Relaxation and Imagery on Anxiety. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 21, n. 4, 2011. Disponível em: https://cjc-rcc.ucalgary.ca/article/view/59679. Acesso em: 5 dec. 2025.