H. Ulrich Hoppe
Universität Duisburg-Essen, Germany
F. Jurado, A.I. Molina, M.A. Redondo, M. Ortega, A. Giemza, L. Bollen, H.U. Hoppe: Learning to Program with COALA, a Distributed Computer Assisted Environment /jucs_15_7/learning_to_program_with
M. Jansen, L. Bollen, N. Baloian, H.U. Hoppe: Using Cloud Services to Develop Learning Scenarios from a Software Engineering Perspective /jucs_19_14/using_cloud_services_to