Duval, E.Verbert, K.Klerkx, J.Wolpers, M.Pardo, A.Govaerts, S.Gillet, D.Ochoa, X.Parra, D.2022-03-132022-03-132015https://publica.fraunhofer.de/handle/publica/393845en0040050061st International Workshop on Visual Aspects of Learning Analytics, VISLA 2015. Proceedings. Online resourceconference proceeding