1] Dr Saša Zeljković The Investigation of Ammonia Adsorption onto La0,85Sr0,15MnO3-δ and La0,6Sr0,4Fe0,8Co0,2O3-δ" - Contemporary Materials - 2012 - Савремени материјали, 30.05.2012.
(https://ekonferencije.com/sr/rad/the-investigation-of-ammonia-a/1360)

2] Dr Saša Zeljković Synthesis of Al2O3 Nano-sized Powder and its Application for the Removal of Copper from Aqueous Solutions" - Contemporary Materials - 2012 - Савремени материјали, 30.05.2012.
(https://ekonferencije.com/sr/rad/synthesis-of-al2o3-nano-sized-/1359)

3] Dr Saša Zeljković Oxygen non-stoichiometry modelling of Ba0.5Sr0.5Co0.8Fe0.2O3 − δ" - Contemporary Materials - 2011 - Савремени материјали, 30.05.2011.
(https://ekonferencije.com/sr/rad/oxygen-non-stoichiometry-model/658)