PYLE, Nathan R. Therapeutic Letters in Counselling Practice: Client and Counsellor Experiences. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 40, n. 1, 2007. Disponível em: https://cdm.ucalgary.ca/index.php/rcc/article/view/58769. Acesso em: 3 jan. 2026.