TY - BOOK AU - Barney,Jay B. TI - Gaining and sustaining competitive advantage SN - 0-201-51285-8 U1 - 658.4 20 PY - 1997/// CY - Reading, Mass., Harlow PB - Addison-Wesley KW - Industrial management KW - Strategic planning KW - Competition KW - Planificación estratégica KW - Competencia económica N1 - Bibliography: p519-557. - Includes index ER -