TY  - BOOK
AU  - Van Dalen,Deobold B.
TI  - Understanding educational research: an introduction 
SN  - 0070668833 :
U1  - 370.072 
PY  - 1979///
CY  - New York
PB  - McGraw-Hill
KW  - Educational change
KW  - Case studies
KW  - Education
KW  - Research
N1  - Includes indexes; Bibliography: p. 531-537
ER  -