Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.

Similar Knowledge Management, Information Systems, E-Learning, and Sustainability Research: Third World Summit on the Knowledge Society, WSKS 2010, Corfu, Greece, September 22-24, 2010. Proceedings, Part I

Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.