1
book
by Albán Gómez, Ernesto; Andrango, Alberto; Bustamante, Teodoro; Chancoso, Blanca; López, Ana Karina; Macas, Luis; Moreano, Alejandro; Nieto, Santiago; Pachano, Simón
Published in 1993
Repository Repositorio Universidad Politécnica Salesiana
2
book
by Pacari, Nina; Macas, Luis; Chancosa, Blanca; Churuchumbi, Guillermo; Simbaña, Floresmilo; Juncosa, José; Astudillo, José; Hidalgo Flor, Francisco; Gualinga, Patricia
Published in 2021
Repository Repositorio Universidad Politécnica Salesiana