Zavala Reyna, Andrea <br/><br/>
Sustainable Production Program in the Mexican Minig Industry :   Ocupational Riks 

<br/><br/> Incluye referencias bibliográficas, Idioma Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scall-scale<br/>Mining<br/>Sustainable Production<br/>Occupational Riks<br/>Northwest of Mexico