1. Department of Quantitative Methods in Economics; University of Information Technology and Management in Rzeszow; Sucharskiego 2 Rzeszów 35-225 Poland
2. Department of Social Sciences; University of Information Technology and Management in Rzeszow; Sucharskiego 2 Rzeszów 35-225 Poland
3. Department of Information Systems Applications; University of Information Technology and Management in Rzeszow; Sucharskiego 2 Rzeszów 35-225 Poland
4. Department of Information Technology; Research Institute of Horticulture in Skierniewice; Pomologiczna 18 Skierniewice 96-100 Poland