TY - BOOK AU - Porter,Michael E TI - Competitive strategy: Techniques for analyzing industries and competitors SN - 0029253608 U1 - 658 PY - 1980/// CY - New York PB - Free Press KW - Competition KW - Industrial management N1 - Includes bibliographical references and index N2 - This text unravels the rules that govern competition in business and turns them into powerful analytical tools to help management interpret market signals, forecast the direction of industry ER -