@misc{Walery_Maria_J._Economic,
 author={Walery, Maria J. and Bartkowska, Izabela and Tałalaj, Izabela A.},
 address={Koszalin},
 howpublished={online},
 publisher={Politechnika Koszalińska},
 language={eng},
 title={Economic optimization of medical waste treatment: a case study of podlaskie province},
 type={artykuł w czasopiśmie},
 keywords={medical waste, transport, disposal of medical waste, discount factor, economic efficiency index},
}