TY  - BOOK
AU  - Travers, Robert Morris William,
TI  -  An introduction to educational research
U1  - 370.78 
PY  - 1964///
CY  - New York
PB  - Macmillan
KW  - Education
KW  -  Research
N1  - Includes bibliographical references (p. 559-567)
ER  -