@misc{Piechota_Anna_Maria_Purchase,
 author={Piechota, Anna Maria},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng},
 type={artykuł},
 title={Purchase documentation as a source of information about insurance bought by public hospitals in Poland},
 keywords={public hospital, insurance services, purchasing decisions, demand for insurance service, public contracts},
}