21
Published in 1999
Repository
22
23
24
Published in 1999
Repository
25
Published in 1997
Repository
26
27
Published in 1999
Repository
28
bachelorThesis
Published in 2010
Repository Repositorio Universidad de las Fuerzas Armadas
29
bachelorThesis
Published in 2011
Repository Repositorio Escuela Superior Politécnica de Chimborazo
30
bachelorThesis
Published in 2018
Repository Repositorio Escuela Superior Politécnica Agropecuaria de Manabí
31
32
Published in 1990
Repository
33
Published in 1988
Repository
34
Published in 1995
Repository
35
Published in 1998
Repository
36
37
38
39
by Caviedes C., Mario; Yánez G., Carlos; Silva, Edison; Dobronsky, Jorge; Caicedo, Marlon; Zambrano Mendoza, José Luis; Heredia, Jorge
Published in 2002
Repository
40