00438nam a2200157 a 4500 20260717091430.0 260717s1990 ii 000 0 eng d 0333518047 eng 338.6048 Porter, Michael E., 1947- The competitive advantage of nations / Porter, Michael E., 1947- London : MacMillan, 1990. xx, 855 p., tab. ; 23 cm. BK 32112 32112 0 0 0 0 DC BKBCL BKBCL 1992-08-10 325.00 0 338.6048 POR 29348 2026-07-17 09:14:30 325.00 2026-07-17 BK