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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. Dijana Đurić, Građevinski fakultet Subotica, Univerzitet Novi Sad, Serbia
2. Neđo Đurić, Akademija nauka i umjetnosti Republike Srpske,
Republic of Srpska, Bosnia and Herzegovina
3. Svetlana Stevović, Univeristy of Belgrade, Faculty of Mechanical Engineering, Serbia