@misc{Ładyga_Ewa_Export,
 author={Ładyga Ewa and Ładyga Marek},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 type={artykuł},
 title={Export balancing method of production-consumption model},
 keywords={export balancing method, unsustainable production-consumption model},
}