o:1791 Online Grocery Shopping Success Factors in E-Commerce for Elderly People de St. Pölten, Studiengang Digital Healthcare, Masterarbeit, 2016 Electronic Shopping; Lebensmittel; Alter 1552151 AC13467063 2017-03-02T12:03:25.777Z 44 no 46 Claudia Spitaler 2016 application/pdf 3204639 http://phaidra.fhstp.ac.at/o:1791 no yes 1 70