1
2
3
4
Published in 1999
Repository
5
Published in 2007
Repository
6
7
8
by Revelo, Jorge; Viteri D., Pablo; Vásquez C., Wilson; Valverde, Franklin; León F., Juan; Gallegos, Patricio
Published in 2010
Repository
9
Published in 2016
Repository
10
11
12
Published in 1996
Repository
13
Published in 2004
Repository
14
15
16
17
by Brito Grandes, Beatriz; Espín, Susana; Vásquez C., Wilson; Viteri D., Pablo; López Jaramillo, Alda Priscila; Jara Córdova, Johanna Ximena
Published in 2012
Repository
18
19
by Villares, Mercy; Martínez, Aníbal; Viteri D., Pablo; Viera, William; Jácome, Rosendo; Ayala, Germán; Noboa, Michelle
Published in 2016
Repository
20
Published in 2004
Repository