21
22
23
24
25
26
by Mazón, Nelson; Peralta I., Eduardo; Murillo I., Angel; Falconí-Castillo, Esteban; Monar B., Carlos; Subía G., Cristian; Estrella Sandoval, Ana Paola; Pinzón Z., José
Published in 2007
Repository
27
28
29
Published in 2010
Repository
30
31
Published in 2004
Repository
32
Published in 2009
Repository
33
34
35
Published in 2009
Repository
36
by Peralta I., Eduardo; Murillo I., Angel; Mazón, Nelson; Rodríguez Ortega, Diego Geovanny; Minchala G., Luis; Domínguez Olmedo, Diana Elizabeth; Mina Chala, Diego Fernando
Published in 2015
Repository
37
38
39
40