TY  - BOOK
AU  - Teddlie, Charles
AU  - Tashakkori, Abbas
TI  - Foundations of mixed methods research: integrating quantitative and qualitative approaches in the Social and  Behavioral Sciences  
SN  - 9780761930129
U1  - 001.42 
PY  - 2009///
CY  - Los Angeles
PB  - Sage
KW  - Social Science
ER  -