Adjiski, Vancho, Zoran Despodov, Dejan Mirakovski, and Stojance Mijalkovski. “ANALYSIS FOR ЕFFICIENCY OF WORK IN UNDERGROUND MINE USING A COMPUTER APPLICATION”. Natural Resources and Technology 10, no. 10 (December 7, 2016). Accessed November 23, 2024. https://js.ugd.edu.mk/index.php/NRT/article/view/1537.