TY  - BOOK
AU  - Perri 6, 
TI  - Principles of Methodology:  Research Design in Social Science
SN  - 9780857024749
U1  - M02 
PY  - 2012///
CY  - London
PB  - Sage Publications Ltd
N1  - includes index and biblioraphy; 1. Foundations: What methodology is and Does....................7  2. Designs: The main types of Research design.................67  3. Achievements: What research makes inferences to ..................153  4. Synthesis : Combinations and Trade-Ofs............267
ER  -