References:

- Andragogy. (n.d.). Retrieved from edX Instructional Design and Technology: Learning Theories course: https://courses.edx.org/courses/course-- Gutierrez, C. (2016, December 6). Adult Learning Theories Every Instructional Designer Must Know. Shift eLearning. Retrieved from: https://www.shiftelearning.com/blog/adult-learning-theories-instructional-design

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- Andragogia. (n.d.). Retrieved from Wikipedia: https://it.wikipedia.org/wiki/Andragogia

- Pappas, C. (2013, May 9). The Adult Learning Theory - Andragogy - of Malcolm Knowles. eLearning Industry. Retrieved from : https://elearningindustry.com/the-adult-learning-theory-andragogy-of-malcolm-knowles

- The adult learning theory – andragogy – infographichttps. (2014,April 2). Retrieved from eLearning Infographic: ://elearninginfographics.com/adult-learning-theory-andragogy-infographic/

- Zemke, R., Zemke, S. (207, February 9). 30 Things We Know About Adult Learning. Muskegon Community College. Retrieved from : http://www.muskegoncc.edu/Include/CTL%20DOCS/XXIX_No4.pdf