@Article{Sobkowski2003,
journal="Menedżer Zdrowia",
issn="1730-2935",
number="6",
year="2003",
title="Macierz BCG",
author="Sobkowski, Maciej
and Staszewski, Rafał",
url="https://www.termedia.pl/Macierz-BCG,12,1585,1,1.html"
}