00785 a2200253 4500 ITTG3373 OSt 20250820235446.0 241215s1991 |||||||||||||||||| #d 968-422-931-3 ITTG ITTG spa 001.42 H47 HERNANDEZ SAMPIERI, ROBERTO. METODOLOGIA DE LA INVESTIGACION/ R. HERNANDEZ SAMPIERI, C.F. COLLADO, P.B. COLLADO. MEXICO: MCGRAW-HILL 1991 1991 XXIV, 505 P. 23 CM. INCLUYE BIBLIOGRAFIA E INDICE. 1.- La idea. 2.- Planteamiento del problema. 3.-Marco teorico 13 FERNANDEZ COLLADO, CARLOS. BAPTISTA COLLADO, PILAR. ddc 1 20240520 11:25:19 3279 3279 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 15860 2025-01-15 07:17:01 ej.1 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 18525 2025-01-15 07:17:01 ej.2 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 18526 2025-01-15 07:17:01 ej.3 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 22128 2025-01-15 07:17:01 ej.4 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 22129 2025-01-15 07:17:01 ej.5 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 22130 2025-01-15 07:17:01 ej.6 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 22131 2025-01-15 07:17:01 ej.7 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 22132 2025-01-15 07:17:01 ej.8 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 22133 2025-01-15 07:17:01 ej.9 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 22933 2025-01-15 07:17:01 ej.10 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 24958 2025-01-15 07:17:01 ej.11 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 24959 2025-01-15 07:17:01 ej.12 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 001.42 H47 29135 2025-01-15 07:17:01 ej.13 2025-01-15 1