TY  - BOOK
AU  - Frankel R., Wallen E.
AU  - 0
TI  - How to design and evaluate research in education
U1  - 370.7.2 F-85 21
PY  - 2009///
CY  - 0
PB  - McGraw-Hill
KW  - 0
N1  - 0; 0; 0
N2  - NULL
ER  -