1] dr Zoran Obrenovic THE INFLUENCE OF ADDITIVE CONCENTRACION ON QUALITY OF WHITE ALUMINIUM TRIHYDRATE" - Contemporary Materials 2021 - Savremeni materijali, 28.07.2021.
(https://ekonferencije.com/sr1/rad/the-influence-of-additive-conc/5985)

2] dr Zoran Obrenovic Process parameters influence on purifying aluminate solutions from iron, zinc and copper impurities" - Contemporary Materials 2020 - Savremeni Materijali, 11.06.2020.
(https://ekonferencije.com/sr1/rad/process-parameters-influence-o/5845)

3] dr Zoran Obrenovic Graphic interpretation of exergy problem of ideal gas in characteristic thermodynamics diagrams" - Contemporary Materials 2019 - Savremeni Materijali, 27.06.2019.
(https://ekonferencije.com/sr1/rad/graphic-interpretation-of-exer/5722)

4] dr Zoran Obrenovic NEW CORRELATION OF EXERGY AND MAXIMAL VOLUME – PRESSURE WORK AND APPLIED THERMODYNAMIC ANALYSIS" - Contemporary Materials 2018 - Savremeni Materijali, 08.06.2018.
(https://ekonferencije.com/sr1/rad/new-correlation-of-exergy-and-/5580)

5] dr Zoran Obrenovic INFLUENCE OF PROCESS SOLUTION ON PHYSICAL-CHEMICAL CHARACTERISTICS OF ZEOLITE TYPE 4A" - Contemporary Materials 2016 - Savremeni Materijali, 29.06.2016.
(https://ekonferencije.com/sr1/rad/influence-of-process-solution-/4466)

6] dr Zoran Obrenovic A MODEL FOR ENTROPY CHANGE DETERMINATION OF SEMI-PERFECT GAS BY APPLICATION OF LOGARITHMIC TEMPERATURE FUNCTION" - Contemporary Materials 2015 - Savremeni Materijali, 20.05.2015.
(https://ekonferencije.com/sr1/rad/a-model-for-entropy-change-det/3627)