@ARTICLE{Podolchak_N._Improving_2014,
 author={Podolchak, N. and Melnyk, L. and Chepil, B.},
 number={No 1},
 journal={ECONTECHMOD},
 howpublished={online},
 year={2014},
 publisher={Polish Academy of Sciences Branch in Lublin},
 publisher={Lviv Polytechnic National University},
 publisher={Foundry Research Institute in Cracow},
 title={Improving administrative managementcosts using optimization modeling},
}