TY  - BOOK
AU  - Slavin Robert E
TI  - Research methods in education :  A practical guide
SN  - 0137743645
U1  - T:f, M4 
PY  - 1984///
CY  - New Jersey 
PB  - Prentice-Hall Inc. USA     
KW  -  EDUCATION
KW  - RESEARCH METHODS
ER  -