WEINSTEIN, Martin; TUROVETZ, Lynn; SMITH, Jonathan C. The Validity of an Objective, Inexpensive Measure of Relaxation. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 23, n. 2, 2011. Disponível em: https://jmss.org/index.php/rcc/article/view/59560. Acesso em: 28 dec. 2025.