Bibliography
- Gibson, P. (1979). Therapeutic aspects of wilderness programs. Therapeutic Recreation Journal, 13(2), 21–37.
- Hakim, C. (1982). Secondary analysis and the relationship between official and academic social research. Sociology, 16, 12–28.
- Hunter, I.R. (1983). Methodological issues in therapeutic recreation research. Therapeutic Recreation Journal, 17, 22–32.
- Hyman, H.H. (1972). Secondary Analysis of Sample Surveys: Principles, Procedures and Potentialities. New York: John Wiley and Sons, Inc.
- International Corporation (1978). Less Obtrusive Methods of Data Collection. Washington, D.C.: U.S. DHEW, Administration on Aging.
- Ng, D., and Smith, S. (1982). Perspectives on the Nature of Leisure Research. Waterloo: University of Waterloo Press.
- Ng, D. (1984, May). On the Nature of Leisure Research Problem and Research Hypothesis. Presented to the Fourth Canadian Leisure Research Congress, Trois-Rivieres, Quebec.
- Roadburg, A. (1981). Perceptions of work and leisure among the elderly. The Gerontologist, 21(2), 142–145.
- Wandt, E. (n.d.) in Michael, B.W. and Isaac, S. (1978). Handbook in Research and Evaluation. San Diego, EDITS.
- Wehman, P., and Schleien, S. (1981). Leisure Programs for Handicapped Persons. Baltimore: University Park Press.