Brenna, B., I. Khan, and M. Morstad. “Patterns and Themes in Canadian Picture Books Published in 2017: A Content Analysis of 132 Titles Using Dresang’s Lens of Radical Change”. Alberta Journal of Educational Research, vol. 66, no. 2, June 2020, pp. 170-91, doi:10.11575/ajer.v66i2.61794.