1. mr Mirko Petković (2021) "KINETICS OF BASE OIL OXIDATION" - Contemporary Materials 2021 - Savremeni materijali
(https://ekonferencije.com/hr/rad/kinetics-of-base-oil-oxidation/5986)

2. mr Mirko Petković (2019) "REGENERACIJA ADSORBENSA IZ PROCESA RERAFINACIJE TURBINSKOG ULJA" - Contemporary Materials 2019 - Savremeni Materijali
(https://ekonferencije.com/hr/rad/regeneracija-adsorbensa-iz-pro/5758)

3. mr Mirko Petković (2017) "RAZVOJ FORMULACIJA CIRKULACIONIH ULjA U SKLADU SA ZAHTJEVIMA NOVIH SPECIFIKACIJA" - Contemporary Materials 2017 - Savremeni Materijali
(https://ekonferencije.com/hr/rad/razvoj-formulacija-cirkulacion/5149)

4. mr Mirko Petković (2015) "COMPARATIVE ANALYSIS OF THE COMPOSITION AND PHYSICOCHEMICAL PROPERTIES OF MODIFIED BENTONITE AND ACTIVATED CLAY " - Contemporary Materials 2015 - Savremeni Materijali
(https://ekonferencije.com/hr/rad/comparative-analysis-of-the-co/4035)