TY  - BOOK
AU  - Charles,C.M.
TI  - Introduction to educational research
SN  - 0582286786
AV  - LB1028 .C5 1988
U1  - 370/.7/8 19
PY  - 1988///
CY  - New York
PB  - Longman
KW  - Education
KW  - Research
N1  - Includes bibliographies and index
ER  -