@Article{585001,
     author = "Monika Zajkowska",
     title = "How to engage customer in co-creation of innovation? Implications for marketing activity",
     year =  2017,
     volume =  ,
     number =  2 (48),
     journal =  Marketing i Zarządzanie (d. Problemy Zarządzania, Finansów i Marketingu),
     pages =  s. 265-274,
    }