Calderón, D.I. et al. 2018. Instruments to Validate Didactic Learning Environments (DLE) Intended to Educate Language and Communication Teachers on Diversity: A Tool for Language Didactics. Signo y Pensamiento. 37, 72 (Dec. 2018). DOI:https://doi.org/10.11144/Javeriana.syp37-72.ivda.