X X I I Y U C O R R P L E N A R Y L E C T U R E S
1. Vlada Veljković, „Where is biodiesel technology going – A critical view on raw materials, catalyst and processes“, Faculty of Technology, Leskovac, University of Niš, Serbia.
2. Nediljka Vukojević Medvidović, „Environmental protection with natural zeolite - a circular economy approach", Faculty of Chemistry and Technology, University of Split, Split, Croatia.
3. Vaso Novaković, “Optimization of preventive activities and maintenance of water wells exposed to corrosion and encrustation processes", Institute for applied geology and water engineering , Bijeljina, Republic of Srpska, Bosnia and Herzegovina.
4. Aleksandar Marinković, „Intelligent biobased anticorrosive coatings“, Faculty of Technology and Metallurgy Belgrade, Univesity of Belgrade, Serbia.
5. Svetomir Hadži Jordanov, „Raw materials supply in future – A duck soup issue ???“, Faculty of Technology and Metallurgy, University UKIM Skopje, N. Macedonia.