1
2
3
4
5
6
Published in 2011
Repository
7
Published in 2004
Repository
8
9
10
11
by Brito Grandes, Beatriz; Espín, Susana; Vásquez C., Wilson; Viteri D., Pablo; López Jaramillo, Alda Priscila; Jara Córdova, Johanna Ximena
Published in 2012
Repository
12
13
14
Published in 2002
Repository
15
Published in 2009
Repository
16
by Brito Grandes, Beatriz; Vaillant, Fabrice; Espín, Susana; Lara, Nelly; Valarezo Concha, Manuel Alfonso
Published in 2001
Repository
17
18
Published in 2009
Repository
19
20
by Brito Grandes, Beatriz; Valarezo Concha, Manuel Alfonso; Mendoza, Luis; Racines Jaramillo, Marcelo Rafael
Published in 2002
Repository