TY  - BOOK
AU  - Engelhart,Max D.
TI  - Methods of educational research
T2  - Rand McNally education series
AV  - LB1028.E58 1972 .E58
PY  - 1971///, c1972]
CY  - Chicago
PB  - Rand McNally
KW  - Education
KW  - Research
N1  - Includes bibliographical references
ER  -