1
2
Published in 1991
Repository
3
Published in 1991
Repository
4
Published in 1991
Repository
5
Published in 1991
Repository
6
Published in 1991
Repository
7
Published in 1983
Repository
8
Published in 1994
Repository
9
by Suárez Capello, Carmen; Loor Solórzano, Rey Gastón; Quiroz Vera, James Gonzalo; Delgado Arce, Ricardo; Peña Monserrate, Geover Rolando; Solís Hidalgo, Zoila Karina; Paredes, Nelly; Calderón Peña, Esteban Darío; Agama Parreño, Juan Emilio; Pozo Najera,Patricio Humbreto; Zapata, Ricardo
Published in 2004
Repository
10
11
Published in 1984
Repository
12
13
14
Published in 2010
Repository
15
16
17
18
19
20
by Amores Puyutaxi, Fredy Marcelo; Suárez Capello, Carmen; Sarabia Vera, Wilden Wladimir; Tarqui Freire, Omar Miguel; Revelo, Stalin; Saquicela Rojas, Diego Felipe
Published in 2011
Repository