1] prof Zoran Petrović THE INFLUENCE OF THE CONDITIONS OF CHEMICAL ACTIVATION OF NATURAL BENTONITE ON ITS ADSORPTION CAPACITY IN THE PROCESS OF RAPESEED OIL PROCESSING" - Contemporary Materials 2023 - Savremeni materijali, 25.08.2023.
(https://ekonferencije.com/sr1/rad/the-influence-of-the-condition/6546)

2] prof Zoran Petrović BLEACHING OF RAPESEED OIL WITH BENTONITE POWDER ACTIVATED WITH HYDROCHLORIC ACID" - Contemporary Materials 2022 - Savremeni materijali, 01.08.2022.
(https://ekonferencije.com/sr1/rad/bleaching-of-rapeseed-oil-with/6428)

3] prof Zoran Petrović INVESTIGATION OF THE BLEACHING EFFECTS OF SUNFLOWER OIL WITH SYNTHETIC ZEOLITE" - Contemporary Materials 2022 - Savremeni materijali, 01.08.2022.
(https://ekonferencije.com/sr1/rad/investigation-of-the-bleaching/6426)