@misc{Arefjevs_Ilja_Operational_2015,
 author={Arefjevs, Ilja},
 address={Wrocław},
 howpublished={online},
 year={2015},
 publisher={Wyższa Szkoła Bankowa we Wrocławiu},
 title={Operational efficiency assessment of pension fund management companies},
 type={czasopismo},
 keywords={business economics, input-output models, cluster analysis},
}