@ARTICLE{
author={Petkovic Dalibor,Gocic Milan,Shamshirband Shahaboddin,Qasem Sultan Noman,Trajkovic Slavisa R},
year={2016},
title={Particle swarm optimization-based radial basis function network for estimation of reference evapotranspiration},
journal={THEORETICAL AND APPLIED CLIMATOLOGY},
volume={125},
number={3-4},
pages={555-563},
document_type={Article},
} 

@ARTICLE{
author={Shamshirband Shahaboddin,Gocic Milan,Petkovic Dalibor,Javidnia Hossein,Ab Hamid Siti Hafizah,Mansor Zulkefli,Qasem Sultan Noman},
year={2015},
title={Clustering project management for drought regions determination: A case study in Serbia},
journal={AGRICULTURAL AND FOREST METEOROLOGY},
volume={200},
number={},
pages={57-65},
document_type={Article},
}