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Lars Bollen
Universit├Ąt Duisburg-Essen, Germany

R. Duque, L. Bollen, A. Anjewierden, C. Bravo:
Automating the Analysis of Problem-solving Activities in Learning Environments: the Co-Lab Case Study
page 1279 - 1307
Vol.18 / Issue 10
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
page 1472 - 1485
Vol.15 / Issue 7
M. Jansen, L. Bollen, N. Baloian, H.U. Hoppe:
Using Cloud Services to Develop Learning Scenarios from a Software Engineering Perspective
page 2037 - 2053
Vol.19 / Issue 14