e-Learning, e-Education, and Online Training: 4th International Conference, eLEOT 2018, Shanghai, China, April 5–7, 2018, Proceedings Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, nr. 243 Editat de Shuai Liu et al. 5 iul 2018 Paperback Preț: 385.81 lei 43-57 zile