TY  - BOOK
AU  - Krathwohl,David R.
TI  - Methods of educational and social science research : an integrated approach
AV  - H62 K727M
PY  - 1993///
CY  - New York, N.Y.
PB  - Longman
KW  - SOCIAL SCIENCE
KW  - RESEARCH
KW  - METHODOLOGY
KW  - STATISTICAL METHODS
ER  -