HERR, Edwin L. Contexts and Influences on the Need for Personal Flexibility for the 21st Century, Part II. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 27, n. 4, 1993. Disponível em: https://cjc-rcc.ucalgary.ca/article/view/58936. Acesso em: 5 dec. 2025.