1
article
Published in 2018
Repository Repositorio Pontificia Universidad Católica del Ecuador Sede Ambato
2
article
by Guerrero Lana, Sylvia Liliana; Gamarra Guerrero, Roger Xavier; Canching, Juan Carlos; Guerrero Tapia, Luis Andrés
Published in 2017
Repository Repositorio Pontificia Universidad Católica del Ecuador Sede Ambato