21
22
23
Published in 2003
Repository
24
25
26
27
28
29
30
31
Published in 2009
Repository
33
34
Published in 1994
Repository
35
36
37
39
bachelorThesis
Published in 2019
Repository Repositorio Universidad Nacional de Loja
40
bachelorThesis
Published in 2020
Repository Repositorio Universidad de las Fuerzas Armadas