1
2
3
by Quimbita, Alexis; Montesdeoca, Fabián; Lalama, M.; Rivadeneira Ruales, Jorge Esteban; Cuesta Subía, Hugo Xavier; Monteros J., Cecilia
Published in 2011
Repository
4
5
6
7
Published in 2009
Repository
8
by Cuesta Subía, Hugo Xavier; Monteros J., Cecilia; Montesdeoca, Fabián; Unda Galarza, José Reinaldo; Carrera, Efrén; Yumisaca, Fausto; Reinoso R., Iván A.; Yánez Navarrete, Zoila Elizabeth
Published in 2011
Repository
9
Published in 2008
Repository
10
Published in 2008
Repository
11
12
Published in 2000
Repository