TY  - BOOK
AU  - Creswell, J. W.
TI  - Research design: quantitative, qualitative, mixed methods, arts-based, and community-based participatory research approaches 
SN  - 978-1-4522-2609-9
U1  - e-book (MDP) 
PY  - 2014///
CY  - London
PB  - Sage Publication, Inc., 
KW  - 1. Social sciences-- Research--Methodology, 2. Social sciences--Statistical methods. I. Title
N1  - Includes bibliographical reference and index
ER  -