TY  - BOOK
AU  - Dyer, Jean Royer,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0201011840 (paperback)
SN  - 2
PY  - 1979///.;copyright 1979.46
CY  - Reading, Massachussets
PB  - Addison-Wesley Publishing Company
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Research
KW  - Education
N1  - Includes bibliographical references and index; 5; Professional
ER  -