@ARTICLE{
author={Saric Zeljko,Obradovic Vladimir Lj,Bogdanovic Zorica M,Labus Aleksandra B,Mitrovic Svetlana},
year={2022},
title={Crowd-Based Open Innovation in Telco Operators: Readiness Assessment for Smart City Service Development},
journal={SERBIAN JOURNAL OF MANAGEMENT},
volume={17},
number={1},
pages={179-196},
document_type={Article},
} 

@ARTICLE{
author={Saric Zeljko,Miletic Ljiljana Z,Janjusic Dragan,Bubulj Milan,Matijasevic Jelena D},
year={2019},
title={Comparison of Perceptions of Barriers to Innovation Projects in the Companies in Serbia},
journal={PROCEEDINGS OF THE 5TH IPMA SENET PROJECT MANAGEMENT CONFERENCE (SENET 2019)},
volume={108},
number={},
pages={251-258},
document_type={Proceedings Paper},
}