Kopatz, Susanne, and Matthias Pilz. “The Academic Takes It All? A Comparison of Returns to Investment in Education Between Graduates and Apprentices in Canada”. International Journal for Research in Vocational Education and Training 2, no. 4 (December 27, 2015): 308–324. Accessed March 28, 2024. https://journals.sub.uni-hamburg.de/hup2/ijrvet/article/view/118.