References
- Banks, H. P. (1994). Liberty Hyde Bailey 1858–1954: A biographical memoir. Washington, DC: National Academy of Sciences.
- d'Aprile, G., & Tomarchio, M. (2017). Nature-culture: Linking educational design, integrated learning process, and landscapes. Ricerche di Pedagogia e Didattica. Journal of Theories and Research in Education, 12(2), 181–192.
- Dewey, J. (1916). Democracy and education: An introduction to the philosophy of education. New York, NY: Macmillan.
- Dewey, J. (1929). The sources of a science of education. New York, NY: Liveright.
- Thorndike, E. L. (1924). Mental discipline in high school studies. Journal of Educational Psychology, 15(1), 1–22, 98.
- Tomarchio, M., & d'Aprile, G. (2014). La terra come luogo di cura educativa in Sicilia: Metafore e tracce nel tempo. Acireale-Roma: Bonanno Editore.
- U.S. Census Bureau. (2017). Small area and income poverty estimates. Retrieved from https://www.census.gov/programs-surveys/saipe.html