1
2
Autores Monguí-Galvis, Ana María, Puentes-Balaguera, Edwin Alexander, Ortega, Román
Publicado 2011-01-01
Palabra clave:
“...Mine, diagnosis, National Mining exploitation, improvement, SENA....”Publicado 2011-01-01
3
5
8
9
10
11
12
13
14
15