TY  - BOOK
AU  - Vockell,Edward L.
TI  - Educational research / 
SN  - 971-08-2150-4
U1  - 370.78 V872 1983 
PY  - 1983///
CY  - New York
PB  - Macmillan Publishing Co., Inc.
KW  - Educational research
N1  - Includes appendices, glossary and index
ER  -