1

article
Published in 2011
Repository Repositorio Universidad Nacional de Loja
2

article
Published in 2012
Repository Repositorio Universidad Nacional de Loja
3

article
Published in 2012
Repository Repositorio Universidad Nacional de Loja
13

article
Published in 2011
Repository Repositorio Universidad Nacional de Loja
14

article
Published in 2011
Repository Repositorio Universidad Nacional de Loja
19

article
Published in 2009
Repository Repositorio Universidad Nacional de Loja