21
22
Published in 2008
Repository
23
24
Published in 2011
Repository
25
26
Published in 2013
Repository
27
28
Published in 2000
Repository
29
30
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
31
32
Published in 2010
Repository
33
by Potosí Argoti, Byron Fernando; Montesdeoca, Fabián; Andrade-Piedra, Jorge; Paucar, Betty; Alvarado Ochoa, Soraya Patricia
Published in 2010
Repository
34
35
36
37
38
Published in 2009
Repository
39
40