Referensi
Britannice, T. E. (2020, December 24). Mortimer J. Adler. Retrieved from https://www.britannica.com/biography/Mortimer-J-Adler
Chandler, C. D. (2018, June 25). genesisuniversity.education. Retrieved from genesis university web site: https://www.genesisuniversity.education/similarities-and-differences-between- essentialism-and-perennialism/
Kneller, G. F. (1971). Introduction to the Philosophy of Education. John WIley & Sons. Noddings, N. (1995). Philosophy of Education. Westview Press.
UKEssays. (November 2018). Differences between essentialism and perennialism. Retrieved from https://www.ukessays.com/essays/education/differences-between-essentialism-and-perennialism- education-essay.php?vref=1