1
Published in 1985
Repository
3
Published in 1985
Repository
4
Published in 2008
Repository
5
Published in 2010
Repository
6
Published in 1985
Repository
7
Published in 1980
Repository
8
Published in 1992
Repository
9
bachelorThesis
Published in 2013
Repository Repositorio Universidad San Francisco de Quito
10
other
Published in 1888
Repository Repositorio Biblioteca Digital CCE
11
Published in 2002
Repository
12
13
Published in 2004
Repository
14
Published in 2004
Repository
15
16
17
18
19
Published in 2010
Repository
20
bachelorThesis
Published in 2005
Repository Repositorio Universidad San Francisco de Quito