Winton, Sue. “Catherine Gidney, Captive Audience: How Corporations Invaded Our Schools”. Historical Studies in Education / Revue d’histoire de l’éducation 33, no. 2 (November 5, 2021). Accessed December 3, 2021. https://historicalstudiesineducation.ca/index.php/edu_hse-rhe/article/view/4981.