Innovative Authoring Tools for Online-Courses with Assignments - Integrating Heterogeneous Tools of e-Learning Platforms into Hybrid Application Solutions. - Matthias Then; Benjamin Wallenborn; Birgit R. Ianniello; Duc Binh Vu; Michael Fuchs 002; Matthias L. Hemmje (Int. J. Emerg. Technol. Learn., 2016)