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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. Zoran Petrović, Faculty of Technology - University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina
2. Branko Pejović,
Republic of Srpska, Bosnia and Herzegovina
3. Vladan Mićić,
Republic of Srpska, Bosnia and Herzegovina
Applied paper from author