TY  - BOOK
AU  - Mercer,David
TI  - Managing the external environment: a strategic perspective 
SN  - 0803986289
AV  - HD31 .M294268 1992
PY  - 1992///
CY  - London, Newbury Park
PB  - Sage Publications
KW  - Industrial management
KW  - Strategic planning
N1  - "Published in association with the Open University."
ER  -