TY  - BOOK
AU  - Thomas Gary
TI  - How to do your case study :  Guide for students  & researches
SN  - 9780857025630 (HBK)
U1  - Sigma:f, Q1 
PY  - 2011///
CY  - Los Angeles
PB  - Angles Sage U.S.A     
KW  - SOCIAL SCIENCES
ER  -