TY - BOOK AU - Mercer,David ED - Open University. TI - Managing the external environment: a strategic perspective SN - 0803986289 AV - HD31 .M294268 1992 U1 - 658.4012 23 PY - 1992/// CY - London, Newbury Park PB - Sage Publications KW - Industrial management KW - Strategic planning N1 - ."Published in association with the Open University"; .Includes bibliographical references ER -