21
Published in 2008
Repository
22
23
Published in 2011
Repository
24
25
Published in 2013
Repository
26
27
Published in 2000
Repository
28
29
by Panchi, Nancy; Taipe, Arturo; Pallo, Edwin; Yumisaca, Fausto; Espinoza, Jorge; Montesdeoca, Fabián; Sevillano, Carlos; Mallamas, Ángel; Ramos, Belén; Peñaherrera, Diego; Andrade-Piedra, Jorge
Published in 2015
Repository
30
31
Published in 2010
Repository
32
by Potosí Argoti, Byron Fernando; Montesdeoca, Fabián; Andrade-Piedra, Jorge; Paucar, Betty; Alvarado Ochoa, Soraya Patricia
Published in 2010
Repository
33
34
35
36
37
Published in 2009
Repository
38
39
40