TY  - BOOK
AU  - Van  Dalen  Deobold  B.
TI  - Understanding Educational Research: An Introduction
SN  - 0070668825
AV  - LB1028 V36U 1974
PY  - 1974///
CY  - New York
PB  - McGraw
KW  - ”EDUCATIONAL RESEARCH”
ER  -