TY - Generic T1 - Development Process of E-Learning at the University of Duisburg-Essen: Lessons Learnt and Future Tasks T2 - EDULearn17. Proceedings of the 9th International Conference on Education and New Learning Technologies Y1 - 2017 A1 - Petschenka, Anke A1 - Heinrich, Sandrina A1 - Liebscher, J. A1 - Helmstedt, Cornelia A1 - van Ackeren, Isabell ED - Gómez Chova, L. ED - López Martínez, A ED - Candel Torres, I. JF - EDULearn17. Proceedings of the 9th International Conference on Education and New Learning Technologies PB - IATED CY - Spain UR - https://library.iated.org/publications/EDULEARN17 ER -