@Article{512784,
     author = "Mirosława Pluta-Olearnik, Janusz Olearnik",
     title = "Marketing a koncepcja biznesowa",
     year =  2015,
     volume =  37,
     number =  ,
     journal =  Problemy Zarządzania, Finansów i Marketingu,
     pages =  s. 9-22,
    }