References
Brown, B. (2020). Integration idea: Permission slips. https://brenebrown.com/classroom-integration-ideas/
Islam, M. A., Said, S., Umarlebbe, J. H., Sobhani, F. A., & Afrin, S. (2022). Conceptualization of head-heart-hands model for developing an effective 21st century teacher. Frontiers in Psychology, 13, 1-10. https://doi.org/10.3389/fpsyg.2022.968723
Orr, D. (1992). Ecological literacy: Education for a postmodern world. State University of New York Press.
Sipos, Y., Battisti, B., & Grimm, K. (2008). Achieving transformative sustainability learning: Engaging head, hands and heart. International Journal of Sustainability in Higher Education, 9, 68–86. https://doi.org/10.1108/14676370810842193