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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. Slavica Mačužić, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
2. Danijela Miloradović, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
3. Jovanka Lukic, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia