“Roth, Robert H., Hershenson, David B. & Hilliard, Thomas. (1970) The Psychology of Vocational Development”, Can J Couns Psychother, vol. 6, no. 3, Jun. 1972, Accessed: Oct. 28, 2026. [Online]. Available: https://jmss.org/index.php/rcc/article/view/60883