Hutchinson, N. L., J. G. Freeman, K. H. Downey, and L. Kilbreath. “Development and Evaluation of an Instructional Module to Promote Career Maturity for Youth With Learning Difficulties”. Canadian Journal of Counselling and Psychotherapy, vol. 26, no. 4, Oct. 1992, https://dev.journalhosting.ucalgary.ca/index.php/rcc/article/view/58820.