TY - BOOK AU - MONTGOMERY, Cynthia A AU - PORTER, Michael E TI - Strategy: Seeking and securing competitive advantage T2 - Harvard Business Review book series SN - 0875842437 U1 - 658.401 PY - 1991/// CY - MASSACHUSETTS PB - HARVARD BUSINESS SCHOOL KW - EXECUTIVE MANAGEMENT - PLANNING, POLICY KW - PLANNING, POLICY MAKING, CONTROL ER -