The Importance of Affective Factors in Self-Access Language Learning courses

by Sergio Valdivia, David McLoughlin, Jo Mynard
Published 2011-06-01

Co-occurrence patterns along a regional aridity gradient of the subtropical Andes do not support stress gradient hypotheses.

by Ramiro Pablo López, Sergio Valdivia, Mónica L Rivera, Rodrigo S Rios
Published 2013-01-01

A Self-Adaptive Cuckoo Search Algorithm Using a Machine Learning Technique

by Nicolás Caselli, Ricardo Soto, Broderick Crawford, Sergio Valdivia, Rodrigo Olivares
Published 2021-08-01

Development and evaluation of two posture-tracking user interfaces for occupational health care

by Sergio Valdivia, Robin Blanco, Alvaro Uribe-Quevedo, Lina Penuela, David Rojas, Bill Kapralos
Published 2018-06-01

Clustering-Based Binarization Methods Applied to the Crow Search Algorithm for 0/1 Combinatorial Problems

by Sergio Valdivia, Ricardo Soto, Broderick Crawford, Nicolás Caselli, Fernando Paredes, Carlos Castro, Rodrigo Olivares
Published 2020-07-01

Kinetic, Thermodynamic, Physicochemical, and Economical Characterization of Pectin from <i>Mangifera indica</i> L. cv. Haden Residues

by Sergio Valdivia-Rivera, Iván Emanuel Herrera-Pool, Teresa Ayora-Talavera, Manuel Alejandro Lizardi-Jiménez, Ulises García-Cruz, Juan Carlos Cuevas-Bernardino, José Manuel Cervantes-Uc, Neith Pacheco
Published 2021-09-01