1] prof Antonije Onjia SYNTHESIS OF MOLECULARLY IMPRINTED POLYMER AS A SELECTIVE SORBENT OF ANILINE" - Contemporary Materials 2022 - Savremeni materijali, 09.06.2022.
(https://ekonferencije.com/sr1/rad/synthesis-of-molecularly-impri/6381)

2] prof Antonije Onjia ULTRA-TURRAX ZASNOVANA DISPERZIVNA MIKROEKSTRAKCIJA NA ČVRSTOJ FAZI ZA ODREĐIVANJE METALA U FLAŠIRANOJ VODI " - Contemporary Materials 2021 - Savremeni materijali, 06.07.2021.
(https://ekonferencije.com/sr1/rad/ultra-turrax-zasnovana-disperz/5962)

3] prof Antonije Onjia OPTIMIZATION OF SYNTHESIS OF NANOCOMPOSITE WITH FUNCTIONALIZED MAGNETIC NANOPARTICLES" - Contemporary Materials 2021 - Savremeni materijali, 28.06.2021.
(https://ekonferencije.com/sr1/rad/optimization-of-synthesis-of-n/5945)

4] prof Antonije Onjia GADOLINIUM SORPTION ON MULTI-WALLED CARBON NANOTUBES" - Contemporary Materials 2018 - Savremeni Materijali, 01.07.2018.
(https://ekonferencije.com/sr1/rad/gadolinium-sorption-on-multi-w/5621)