@Article{585159,
     author = "Paweł Brzustewicz, Iwona Escher",
     title = "E-services : concept, specificity, and marketing elements to create their value",
     year =  2016,
     volume =  ,
     number =  5 (46),
     journal =  Marketing i Zarządzanie (d. Problemy Zarządzania, Finansów i Marketingu),
     pages =  s. 97-108,
    }