1. Ashley, M. (2005). Tensions between indoctrination and the development of judgment: The case against early closure. Environmental Education Research, 11(2), 187–197.
2. Biesta, G. (2020). Risking ourselves in education: Qualification, socialization, and subjectification revisited. Educational Theory, 70(1), 89–104.
3. Caldwell, S., Gray, A., Hart, T., Higgins, D., Houston, P. D., Kemp, J., …, Quintiliani, A. R. (2011). Educating from the heart: Theoretical and practical approaches to transforming education. R&L Education.
4. Capra, F. (2015). The systems view of life: A unifying conception of mind, matter, and life. Cosmos and History: The Journal of Natural and Social Philosophy, 11(2), 242–249.
5. Dahlin, B. (2021). The Bildung of humanity and earth. The ecospiritual potential of Waldorf education. RoSE–Research on Steiner Education, 12.