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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. Vujadin Aleksic, Institut IMS, 2. Ljubica Milović, Serbia
3. Marina Dojčinović, Faculty of Tehnology and Metallurgy, Serbia
4. Bojana Aleksić, Inovacioni centar Tehnološko-metalurškog fakulteta u Beogradu, Serbia