Janzen, T. and Janzen, H. L. (2007) “Bellack, A. S. & Hersen, M. (1990). <i>Handbook of comparative treatments for adult disorders.</i>”;, Canadian Journal of Counselling and Psychotherapy, 28(3). Available at: https://cdm.ucalgary.ca/index.php/rcc/article/view/59399 (Accessed: 1 January 2026).