Authors
Zorica Srdjevic
Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Bojan Srdjevic
Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
Paulo Melo
Centre for Business and Economics Research, University of Coimbra and INESC Coimbra, Coimbra, Portugal
Luísa Jorge
Polytechnic Institute of Bragança, Campus de Santa Apolónia, Bragança, Portugal