Mitchell, R., R. C. Conklin, C. Truax, and C. W. Duncan. “Effectiveness of Vocational Rehabilitation Counselors and Counselor-Aides As Rated by Referring Field Counsellors”. Canadian Journal of Counselling and Psychotherapy, vol. 5, no. 4, Apr. 2012, https://cjc-rcc.ucalgary.ca/article/view/60774.