1] prof Saša Zeljković Evaluation of waste glass as a partial growing medium replacement for horticultural plants: A pilot study" - Contemporary Materials 2026 - Savremeni Materijali, 30.07.2026.
(https://ekonferencije.com/sr1/rad/evaluation-of-waste-glass-as-a/6823)

2] prof Saša Zeljković PREGLED RAZVOJA SINTEZE SA NEDOSTATKOM RASTVARAČA " - Contemporary Materials 2022 - Savremeni materijali, 28.06.2022.
(https://ekonferencije.com/sr1/rad/pregled-razvoja-sinteze-sa-ned/6391)

3] prof Saša Zeljković MEHANOHEMIJSKI INDUKOVANA SINTEZA La2O3" - Contemporary Materials 2021 - Savremeni materijali, 31.07.2021.
(https://ekonferencije.com/sr1/rad/mehanohemijski-indukovana-sint/5992)