@misc{Liang_Zhihua_Study,
 author={Liang, Zhihua},
 address={Koszalin},
 howpublished={online},
 publisher={Politechnika Koszalińska},
 language={eng},
 title={Study on the coordinated development model of ecological economy and environmental protection},
 type={artykuł w czasopiśmie},
 keywords={Anshan City, ecological environment, economic development, coupling},
}