TY  - BOOK
AU  - Travers,Robert Morris William
TI  - An introduction to educational research
AV  - LB1028 .T7 1969
U1  - 370/.78 
PY  - 1968///, c1969]
CY  - New York
PB  - Macmillan
KW  - Education
KW  - Research
N1  - Bibliography: p. 427-436
ER  -