References:

• Pappas, Christopher.(2017, October 12). “The Adult Learning Theory - Andragogy - of Malcolm Knowles.” Retrieved from https://elearningindustry.com/the-adult-learning-theory-andragogy-of-malcolm-knowles​

• Knowles, M. S. (1962) A History of the Adult Education Movement in the USA, New York: Krieger. A revised edition was published in 1977.

• Knowles, M. (1975). Self-Directed Learning. Chicago: Follet.

• Knowles, M. (1984). The Adult Learner: A Neglected Species (3rd Ed.). Houston, TX: Gulf Publishing.

• Kearsley, G. (2010). Andragogy (M.Knowles). The theory Into practice database. Retrieved from http://tip.psychology.or

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