1
2
3
Published in 2013
Repository
5
6
7
by Paucar, Betty; Gallegos, Patricio; Nieto C., Carlos; Córdova, Juan J.; Rodríguez I., Luis F.; Ochoa L., José; Williams, Roger
Published in 2000
Repository
8
Published in 1983
Repository
9
Published in 2014
Repository
10
by Clavijo, Francisco; Barrera, Víctor Hugo; Rodríguez I., Luis F.; Mosquera Andrade, Jorge; Yánez Ortiz, Iván; Godoy, Arturo; Grijalva O., Jorge
Published in 2016
Repository
11
Published in 1981
Repository
12
13
14
Published in 1982
Repository
15
Published in 1980
Repository
16
by Delgado Cerón, Amanda Janeth; Suquillo, Jovanny; Sevillano, Carlos; Rodríguez I., Luis F.; Alvarado Ochoa, Soraya Patricia
Published in 2013
Repository
17
by Garzón, Juan Pablo; Barrera, Víctor Hugo; Rodríguez I., Luis F.; Alvarado, Juan Pedro; Galarza, Diego Andres; Perea, Fernando Pedro; Marini, Pablo Roberto
Published in 2018
Repository
18
Published in 1981
Repository
19
Published in 1979
Repository
20
Published in 2018
Repository