@ARTICLE{
author={Sajfert Zvonko D,Besic Carisa H,Damnjanovic Aleksandar M,Musicki Stevan M,Popovic Borko},
year={2012},
title={The Research of Lighting's Influence on the Psychological State of Employees in Working Environment},
journal={HEALTHMED},
volume={6},
number={2},
pages={352-359},
document_type={Article},
} 

@ARTICLE{
author={Popovic Borko,Sajfert Dragana,Tasic Ivan,Vasic Zivorad,Stankovic Milomir},
year={2011},
title={A research on characteristics of service managers in Serbia},
journal={TECHNICS TECHNOLOGIES EDUCATION MANAGEMENT-TTEM},
volume={6},
number={2},
pages={516-525},
document_type={Article},
} 

@ARTICLE{
author={Radojkovic Dragisa,Sajfert Zvonko D,Klarin Milivoj M,Cvijanovic Janko M,Popovic Borko},
year={2011},
title={The influence of modified method of current observations on shortening of production cycle in small companies},
journal={TECHNICS TECHNOLOGIES EDUCATION MANAGEMENT-TTEM},
volume={6},
number={1},
pages={92-98},
document_type={Article},
}