Mijalkovski, Stojance, Zoran Despotov, Dejan Mirakovski, and Daniela Mijalkovska. “Рационален избор на рударска откопна метода”. Natural Resources and Technology 6, no. 6 (February 5, 2014). Accessed December 20, 2024. https://js.ugd.edu.mk/index.php/NRT/article/view/785.