1] Lazar Stojanović MINING PRODUCTION WITH ENGAGEMENT OF OTHER COMPANIES EQUIPMENT AND MASHINERY - PRAXIS AND PESRPECTIVE IN THE WORLD AND THE REPUBLIC OF SRPSKA" - 7. Balkanski rudarski kongres, 19.06.2017.
(https://ekonferencije.com/en/paper/mining-production-with-engagem/5164)

2] Lazar Stojanović DYNAMIC MODELING OF ORGANIZATIONAL STRUCTURE IN THE CONTEXT OF HUMAN RESOURCES OPTIMIZATION" - 7. Balkanski rudarski kongres, 14.06.2017.
(https://ekonferencije.com/en/paper/dynamic-modeling-of-organizati/5142)

3] Lazar Stojanović Mathematical model of stacking operation of stacker/reclaimers" - 7. Balkanski rudarski kongres, 13.06.2017.
(https://ekonferencije.com/en/paper/mathematical-model-of-stacking/5139)