121
122
Published in 2010
Repository
123
124
125
Published in 2000
Repository
126
Published in 2010
Repository
127
128
by Peralta I., Eduardo; Vásquez G., José; Mora C., Eloy; Murillo I., Angel; Pinzón Z., José; Lépiz I., Rogelio
Published in 1994
Repository
129
bachelorThesis
Published in 2009
Repository Repositorio Universidad San Francisco de Quito
130
other
Published in 1984
Repository Repositorio Biblioteca Digital CCE
131
132
133
134
Published in 2004
Repository
135
136
137
138
Published in 1995
Repository
139
Published in 2007
Repository
140