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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. Srđan Vuković, Faculty of Technology - University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina
2. Jelena Vulinović, Faculty of Technology - University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina
3. Svetlana Pelemiš, Faculty of Technology - University of East Sarajevo,
Republic of Srpska, Bosnia and Herzegovina
Applied paper from author