Viegas, C., Marques, A., Alves, G. R., Galanis, N., Brouns, F., Janssen, J., et al.. (2013). Using the TRAILER Tool for Managing Informal Learning in Academic and Professional Contexts: The Learner Perspective. In Proceedings of the First International Conference on Technological Ecosystems for Enhancing Multiculturality (TEEM’13) (Salamanca, Spain, November 14-15, 2013) (pp. 529-534). New York, NY, USA: ACM. doi:10.1145/2536536.2536617

García-Holgado, A., & García-Peñalvo, F. J.. (2019). Validation of the learning ecosystem metamodel using transformation rules. Future Generation Computer Systems, 91, 300 - 310. doi:https://doi.org/10.1016/j.future.2018.09.011

García-Peñalvo, F. J., Álvarez Navia, I., García-Bermejo, J. Rafael, Conde-González, M. Á., García-Holgado, A., Zangrando, V., et al.. (2013). VALS: Virtual Alliances for Learning Society. In F. J. García-Peñalvo, García-Holgado, A., & Cruz-Benito, J. (Eds.), Proceedings of the TEEM’13 Track on Knowledge Society Related Projects (pp. 19-26). Salamanca, Castilla y León (Spain): Research GRoup in InterAction and eLearning (GRIAL). doi:http://dx.doi.org/10.13140/RG.2.1.2845.3924

García-Peñalvo, F. J., Álvarez Navia, I., García-Bermejo, J. Rafael, Conde-González, M. Á., García-Holgado, A., Zangrando, V., et al.. (2013). VALS: Virtual Alliances for Learning Society. In F. J. García-Peñalvo, García-Holgado, A., & Cruz-Benito, J. (Eds.), Proceedings of the TEEM’13 Track on Knowledge Society Related Projects (pp. 19-26). Salamanca, Castilla y León (Spain): Research GRoup in InterAction and eLearning (GRIAL). doi:http://dx.doi.org/10.13140/RG.2.1.2845.3924