21
by Jiménez Barragán, Juan Carlos; Rodríguez Zamora, Gladys Angélica; Saltos, R; Brito Grandes, Beatriz; Samaniego, Iván
Published in 2016
Repository
22
23
Published in 1977
Repository
24
Published in 1993
Repository
25
26
27
by Burbano, Armando,; Pitizaca, Soledad,; Díaz, Alejandra,; Nicolalde, José,; Caicedo, Carlos,; Vargas, Yadira,; Sotomayor, Andrea,; Sánchez, Maritza,; Viera, William,
Published in 2019
Repository
28
Published in 2009
Repository
29
by Quimbita, Alexis; Montesdeoca, Fabián; Lalama, M.; Rivadeneira Ruales, Jorge Esteban; Cuesta Subía, Hugo Xavier; Monteros J., Cecilia
Published in 2011
Repository
30
by Villarreal, Emérita; Haro Alvear, Juan; Espinoza, Antonio; Limongi, Ricardo; Ramos Veintimilla, Raúl
Published in 2009
Repository
31
Published in 2000
Repository
32
by Sotomayor, Andrea; Viera, William; Viteri, Pablo; Posso, Manuel; Racines Jaramillo, Marcelo Rafael; González, Antonio; Cho, Kang Jin; Villavicencio, Alicia
Published in 2019
Repository
33
34
Published in 2003
Repository
35
36
Published in 1982
Repository
37
by Congo Yépez, Carlos; Velástegui Lara, Francisco; Díaz M., Alejandra; Ramírez, César; Fernández A., Fabián; Vera Z., Antonio; Sotomayor Akopyan, Dennis Alfonso
Published in 2018
Repository
38
39
40
by Jiménez Barragán, Juan Carlos; Amores Puyutaxi, Freddy Marcelo; Nicklin, Claire; Rodríguez, Daysi; Zambrano Flores, Fanny Gissela; Bolaños, Milton; Reynel, Víctor; Dueñas, Alfredo; Cedeño, Paúl
Published in 2011
Repository