61
book
Published in 1987
Repository Repositorio SENESCYT
62
book
Published in 1987
Repository Repositorio Universidad Politécnica Salesiana
63
book
Published in 1994
Repository Repositorio Universidad Politécnica Salesiana
64
book
Published in 1998
Repository Repositorio Universidad Politécnica Salesiana
65
book
Published in 1994
Repository Repositorio Universidad Politécnica Salesiana
66
book
Published in 1999
Repository Repositorio Universidad Politécnica Salesiana
67
book
Published in 1999
Repository Repositorio Universidad Politécnica Salesiana
68
book
Published in 2015
Repository Repositorio Universidad Politécnica Salesiana
70
book
Published in 1993
Repository Repositorio Universidad Politécnica Salesiana
71
book
Published in 1989
Repository Repositorio Universidad Politécnica Salesiana
72
book
by Guinea, Mercedes; Bouchard, Jean Fracoise; Marcos, Jorge; Celda Esteve, Alejandro; Palop Martinez, Josefina; Rodicio Gracia, Sara; Fauria, Carmen; Terán, Paulina; Buys, Jozef; Tellenbach, Michael; Scott, John; Ledergerber Crespo, Paulina; Tihay, Jean Pierre; Usselmann, Pierre; Aliaga, Jose; Gutiérrez, Andres; Alvarez, Aurelio
Published in 1995
Repository Repositorio Universidad Politécnica Salesiana
73
book
Published in 2019
Repository Repositorio Universidad Nacional de Educación
74
book
Published in 2019
Repository Repositorio Universidad Nacional de Educación
75
book
Published in 2002
Repository Repositorio Universidad Andina Simón Bolivar
76
book
Published in 2012
Repository Repositorio Universidad Andina Simón Bolivar
77
book
Published in 2002
Repository Repositorio Universidad Andina Simón Bolivar
78
book
Published in 2020
Repository Repositorio Universidad Andina Simón Bolivar
79
book
Published in 2020
Repository Repositorio Universidad Laica Vicente Rocafuerte
80
book
Published in 2020
Repository Repositorio Universidad Laica Vicente Rocafuerte