@article{MarepalliSultanaChrist2013, author = {Sai Manoj Marepalli and Razia Sultana and Andreas Christ}, title = {The Challenges of Collaborative Learning in Cloud and a Three Layered Architecture Towards the Solution}, series = {3rd International Conference on Digital Information and Communication Technology and Its Applications (DICTAP 2013) : Ostrava, Czech Republic, 8 - 10 July 2013}, organization = {Move SDIWC (The Society of Digital Information and Wireless Communication)}, isbn = {978-1-5108-0865-2}, pages = {134 -- 139}, year = {2013}, language = {en} }