1
Published in 1996
Repository
2
3
4
by Barrera, Víctor Hugo; Cruz, Elena; Cárdenas de Mera, Flor María; Cobeña Ruiz, Gloria; Zambrano Lucero, Hector Miguel
Published in 2010
Repository
5
6
Published in 1994
Repository
7
8
9
10
11
12
Published in 1989
Repository
13
14
15
16
by Cobeña Ruiz, Gloria; Cañarte Bermúdez, Ernesto; Mendoza García, Alma; Cárdenas Guillen, Flor María; Guzmán Cedeño, Ángel
Published in 2017
Repository
17
Published in 2013
Repository