References
- Cross , K. P. 1982 . Adults as Learners. , San Francisco : Jossey-Bass .
- Godbey , G. C. 1978 . Applied Andragogy, A Practice Manual for the Continuing Education of Adults. , University Park : The Pennsylvania state University .
- Knowles , M. 1973 . The Adult Learner: A Neglected Species. , Houston : Gulf Publishing Company .
- Knowles , M. 1970 . The Modern Practice of Adult Education. , Chicago : Association Press .
- Levinson , D. , Darrow , C. , Klein , E. , Levinson , M. and McKee , B. 1978 . The Seasons of a Man's Life. , New York : Knopf .
- Rogers , C. R. 1969 . Freedom to Learn. , Columbus : Charles E. Merrill Publishing Company .