|    Fedan RomanDoctor of Economics, Professor Rector of the State Higher Professional School in Jaroslaw (Poland); Head of the Department of economics and management of the Faculty of Economics of the Rzeszow University (Poland); Professor of the Bronislaw Markiewicz State Higher School of Technology and Economics in Jaroslaw (Poland) Contacts:   zim@pwste.edu.pl Webpages:     
 
 CoauthorsPukala Ryshard |