@ARTICLE{
author={Lovreta Stipe M,Koncar Jelena,Stankovic Ljiljana D},
year={2016},
title={Effects of Increasing the Power of Retail Chains on Competitive Position of Producers},
journal={ACTA POLYTECHNICA HUNGARICA},
volume={13},
number={4},
pages={121-140},
document_type={Article},
} 

@ARTICLE{
author={Lovreta Stipe M,Koncar Jelena,Stankovic Ljiljana D},
year={2015},
title={Effects of Increasing the Power of Retail Chains on Competitive Position of Wholesalers},
journal={ACTA POLYTECHNICA HUNGARICA},
volume={12},
number={3},
pages={213-228},
document_type={Article},
}