Severity: Notice
Message: Undefined offset: 0
Filename: controllers/presentation.php
Line Number: 875
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/presentation.php
Line Number: 875
Author(s):
1. Pavel Kovač, Faculty of Technical Sciences, Department for Production Engineering, Serbia
2. Borislav Savković, Faculty of Technical Sciences, Department for Production Engineering, Serbia
3. Dušan Ješić, International technology Management Academy, Novi Sad, 4. Marin Gostimirović, Faculty of Technical Sciences, Department for Production Engineering, Serbia