Valencia, C., Gaona-García, P., Montenegro-Marín, C., & Gómez-Acosta, A. (2017). Ontological model based on web of trust to analyze the use of resources in learning environment. ITECKNE, 14(1), 34 - 45. https://doi.org/https://doi.org/10.15332/iteckne.v14i1.1629