Improving virtual learning environments by development and integration of 3D models of real devices [Electronic resourse]

Hristov, G., Kyuchukova, D., Borisov, S., & Zahariev, P. (). Improving virtual learning environments by development and integration of 3D models of real devices [Electronic resourse]. // <I>ITHET' 15<D> : 14th International conference on "Information technology based higher education and training", Caparica, Lisbon, Portugal, 11-13 june 2015..