TY  - BOOK
AU  - Creswell, John W.
TI  - Educational research : : planning, conducting, and evaluating quantitive and qualitative research 
SN  - 013112790X
AV  - LB 1028 C742 2005
PY  - 2005///
CY  - Upper Saddle River, N.J. 
PB  - : Pearson
KW  - Educación
KW  - - Investigación
N1  - Includes: index
ER  -