1. Banasick, S. (2019). Ken-Q Analysis (Version 1.0.8) [Software]. Available from https://shawnbanasick.github.io/ken-q-analysis/doi:10.5281/zenodo.1300201.
2. Biesta, G.J.J. (2020). Burgerschapsvorming: Pedagogische en levensbeschouwelijke eigenheid op het democratisch speelveld [Citizenship education: Pedagogical and ideological individuality on the democratic playground; White paper]. Verus, vereniging voor katholiek en christelijk onderwijs. Retrieved February 2021, https://www.verus.nl/aanbod/producten/whitepaper-gert-biesta-pedagogische-en-levensbeschouwelijke-eigenheid-op-het.
3. Using card sorts;Boyle;Physical Sciences Centre-Briefing Paper,2009
4. Using diamond ranking as visual cues to engage young people in the research process;Clark;Qualitative Research Journal,2012
5. Exploring card sort methods: Interaction and implementation for research, education, and practice;Conrad;Proceedings of the Association for Information Science and Technology,2019