TY  - BOOK
AU  - DRUCKER Peter  F.
TI  - Innovation and entrepreneurship:  Practice and principles.   
T2  - Classic Drucker Collection
SN  - 9788131220108
U1  - X:328, M5/TD 
PY  - 1985///
CY  - Amsterdom
PB  - Elsevier          
ER  -