Daniel, R. W. & Weikel, W. J. (February, 1983). Trends in counseling: A Delphi study. The Personnel and Guidance Journal, 61(6), 327-330.
2.
Fleming, R. E., Jr., Green, S. E., & Rich, T. A. ( 1982). In-service training in gerontology: A case study of statewide needs assessment. Educational Gerontology, 8, 63-75.
3.
Johnson, H. R., Britton, J. H., Lang, C. A., Seltzer, M. M., Stanford, E. P., Yancik, R., Maklan, C. W., Middleswarth, A. B., (1980). Foundations for gerontological education. The Gerontologist. 20(3-11), 1-61.
