by Zambrano-Yépez, Claudia Alexandra, Vélez-Romero, Xavier Alberto, Vélez-Romero, Yosselin Guadalupe
Published in Dominio de las Ciencias (05.07.2019)

by Rodríguez Arrieta, Gonzalo, Cano Lara, Evelyn, Velez Romero, Xavier
Published in Eca Sinergia (30.06.2018)

by Caicedo Loor, Edison G, Vélez Romero, Xavier A, Fierro Vélez, David A
Published in Dominio de las Ciencias (05.01.2018)

by Vélez Romero, Xavier Alberto
Published in Eca Sinergia (04.12.2015)

by Vélez Romero, Xavier Alberto, Alay Cedeño, Stefany Carolina, Holguín Briones, Audrey Jacqueline
Published in REFCALE (31.08.2024)

by Anchundia, Pedro Quijije, Xavier Velez Romero, Aniuska Ortiz Perez
Published in IDEAS Working Paper Series from RePEc (01.01.2018)

by Ortiz Restrepo, Sara, Vélez Romero, Xavier A
Published in Dominio de las Ciencias (2016)

by Vélez Romero, Xavier A, Cano Lara, Evelyn D
Published in Dominio de las Ciencias (2016)

by Caicedo-Loor, Edison G., Vélez-Romero, Xavier, Cano-Lara, Evelyn D., Solís-Barreto, Yomira L.
Published in Polo del Conocimiento (14.08.2018)