Dworschak, BerndKarapidis, Alexander2022-03-112022-03-112011https://publica.fraunhofer.de/handle/publica/372512This CD-ROM contains the proceedings of the Professional Training Facts Conference 2009 held at Stuttgart, Germany, 17 - 18 November 2009.enComputergestütztes LernenUnternehmenVerbandBildungsdienstleisterForschungsinstitutconference proceeding