Dubue, J. D., J. C. K. Cheng, W. Vuong, and C. Westbury. “Peer Edmonton Empathy Recruitment Scale (PEERS): A Tool for Student Peer Support Worker Selection and Empathy Measurement”. Canadian Journal of Counselling and Psychotherapy, vol. 52, no. 2, Mar. 2018, https://cjc-rcc.ucalgary.ca/article/view/61188.