00671 a2200253 4500 ITTG3999 OSt 20250115011719.0 241215s1989 |||||||||||||||||| #d 968-26-0796-5 ITTG ITTG spa 658.4033 G731 GRANT, EUGENE L. PRINCIPIOS DE INGENIERIA ECONOMICA/ E.L. GRANT, W.G. IRESON, R.S. LEAVENWORTH 2 MEXICO: CECSA 1989 627 P. 23 CM. 3 1.INGENIERIA ECONOMICA. IRESON W., GRANT. LEAVENWORTH, RICHARD S. ddc 1 20090813 14:23:12 3894 3894 0 0 ddc 0 0 1 1 GEN 2010-07-15 0 658.4033 G731 22253 2025-01-15 07:17:19 ej.2 2025-01-15 1