1
2
3
4
5
6
7
8
by Cayambe Terán, Jhenny Marlene; Montesdeoca, Fabián; Benítez B., Jacqueline; Andrade-Piedra, Jorge
Published in 2009
Repository
9
by Villavicencio Sotomayor, María Fernanda; Benítez B., Jacqueline; Rivadeneira Ruales, Jorge Esteban; Cuesta Subía, Hugo Xavier
Published in 2008
Repository
10
Published in 2012
Repository