TY  - BOOK
AU  - Vockell,Edward L.
TI  - Educational research
SN  - 0024230707
AV  - LB1028.V63 1983 
PY  - 1983///
CY  - New York
PB  - Macmillan
KW  - Education
KW  - Research
N1  - Includes bibliographies and indexes
ER  -