@misc{KOCHAŃSKI_Tomasz_RISK_2017-09-30,
 author={KOCHAŃSKI Tomasz},
 howpublished={online},
 year={2017-09-30},
 title={RISK AS A CHANGE FACTOR AFFECTING ECONOMIC EFFICIENCY OF A SUPPLY CHAIN},
 doi={10.5604/01.3001.0011.7210},
}