TY  - BOOK
AU  - Van Dalen D.B.
TI  - Understanding educational research: An introduction
SN  - 0070668833
AV  - LB 1028  V36 1979
PY  - 1979///
CY  - New York 
PB  -  McGraw-Hill
KW  - Education
KW  - Research
ER  -