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Severity: Notice
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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. Tijana Đuričić, University of Banja Luka, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
2. Borislav Malinović, University of Banja Luka, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
3. Draženko Bjelić, University of Banja Luka, Faculty of Technology,
Republic of Srpska, Bosnia and Herzegovina
Applied paper from author