1
article
by Varas González, René Antonio; Betancourt Sáez, Marcela Eliana; Rodríguez Mancilla, Héctor Marcelo
Published in 2020
Repository Repositorio Universidad Politécnica Salesiana
2
article
by Rodríguez Mancilla, Héctor Marcelo; Betancourt Sáez, Marcela Eliana; Varas González, René Antonio
Published in 2018
Repository Repositorio Universidad Politécnica Salesiana