00634 a2200229 4500 ITTG6367 OSt 20250115011830.0 241215s1994 |||||||||||||||||| #d 968-444-187-8 ITTG ITTG spa 330.072 B73 BRAVO ANGUIANO, RICARDO. METODOLOGIA DE LA INVESTIGACION ECONOMICA/ R. BRAVO ANGUIANO. MEXICO: ALHAMBRA 1994 141 P. 23 CM. --(UNIVERSIDAD) 3 1.ECONOMIA - METODOLOGIA. 2.ECONOMIA - INVESTIGACION. ddc 1 20090813 14:23:27 6204 6204 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 330.072 B73 24960 2025-01-15 07:18:30 ej.1 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 330.072 B73 24961 2025-01-15 07:18:30 ej.2 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 330.072 B73 24962 2025-01-15 07:18:30 ej.3 2025-01-15 1