TY  - BOOK
AU  - Creswell John W.
AU  -  Creswell J. David 
TI  -  RESEARCH DESIGN :  Quantitative ,and  Mixed  Methods Approaches 
SN  - 9781506386768
AV  - H62.C6963 2009 
PY  - 2009///
CY  - London 
PB  - Sage 
KW  - Qualitative, Quantitative , and Mixed Methods Approaches
N1  - includes index; includes Bibliographical references [ p. 253 to 261]; part 1. preliminary considerations 
       2. Designing Research 

UR  - Uniform Resource Identifier 
ER  -