Notes
- Becker , Ernest . 1962 . The Birth And Death Of Meaning , Glencoe, Ill. : The Free Press . Chapter One
- Phillips , Gerald M. , Dunham , Robert E. , Brubaker , Robert and Butt , David . 1970 . The Development of Oral Communication in the Classroom. , New York, N. Y. : The Bobbs‐Merrill Company, Inc. . Chapter Four
- Phillips , Gerald M. and Butt , David . 1966 . “Reticence Revisited” . The Pennsylvania Speech Annual ,
- Metzgar , Nancy J. 1971 . “A Study of the Interpersonal Interactions Among Members of a Teaching Team” . The Pennsylvania State University . Unpublished M.A. thesis
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