21
Descripción:
“... classifications grouping features or functions which are no longer use ful. However, the social phenomenon...”
22
23
24
25
26
34
Perfil de las condiciones de vida de los Adolescentes jóvenes, zona urbana, ciudad de Medellín, 2006
Descripción:
“... adolescents, of 15 is described to 19 years, using the technique of the analysis of multiple...”
35
37
Descripción:
“... far have only been waste, have become an important element in the industry. Out of the intention...”
38
39
40
