21
22
23
24
Published in 2008
Repository
25
Published in 2004
Repository
26
by Viera, William; Mejía, Paul; Noboa, Michelle; Obando, Javier; Sotomayor, Andrea; Vásquez C., Wilson; Viteri D., Pablo
Published in 2015
Repository
27
Published in 2012
Repository
28
by Viteri D., Pablo; León F., Juan; Vásquez C., Wilson; Encalada, Claudio; Martínez, Aníbal; Revelo, Jorge; Posso, Manuel; Hinojosa, Milton
Published in 2010
Repository
29
30
Published in 2008
Repository
31
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34
Published in 2005
Repository
35
36
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38
Published in 2009
Repository
39
40
Published in 2012
Repository