121
Published in 1994
Repository
122
123
124
by León Ruiz, Juan; Benalcázar, Paúl; Segovia, Jorge; Cevallos, Jorge; Cuesta Subía, Hugo Xavier; Rivadeneira Ruales, Jorge Esteban; Cartagena Ayala, Yamil Everaldo
Published in 2017
Repository
125
Published in 1989
Repository
126
Published in 1976
Repository
127
128
bachelorThesis
Published in 2019
Repository Repositorio Universidad Politécnica Salesiana
129
130
131
by Cobeña Ruiz, Gloria; Cañarte Bermúdez, Ernesto; Mendoza García, Alma; Cárdenas Guillen, Flor María; Guzmán Cedeño, Ángel
Published in 2017
Repository
132
Published in 2013
Repository
133
bachelorThesis
Published in 2017
Repository Repositorio Instituto Superior Tecnológico Sudamericano de Guayaquil
134
bachelorThesis
Published in 2018
Repository Repositorio Instituto Superior Tecnológico Sudamericano de Guayaquil
135
masterThesis
Published in 2003
Repository Repositorio Instituto de Altos Estudios Nacionales
136
masterThesis
Published in 2016
Repository Repositorio Instituto de Altos Estudios Nacionales
137
masterThesis
Published in 2005
Repository Repositorio Instituto de Altos Estudios Nacionales
138
masterThesis
Published in 2015
Repository Repositorio Instituto de Altos Estudios Nacionales
139
masterThesis
Published in 2016
Repository Repositorio Instituto de Altos Estudios Nacionales
140
masterThesis
Published in 2016
Repository Repositorio Instituto de Altos Estudios Nacionales