TY  - BOOK
AU  - Gummesson,Evert
TI  - Case theory in business and management: reinventing case study research 
SN  - 9781446210611 (hardback)
U1  - 658.4038 
PY  - 2017///
CY  - New Delhi
PB  - Sage
KW  - Management
KW  - Productivity
ER  -