THE MAIN FACTORS OF ECONOMIC AND ENERGY EFFICIENCY OF MINING TRANSPORTATION MACHINES IN MINERAL EXTRACTION TECHNOLOGIES: Yangi O’zbekiston taraqqiyotida tadqiqotlarni o’rni va rivojlanish omillari. ilmiy. 2024;6(2):25-29. Accessed October 5, 2024. http://pedagoglar.org/index.php/04/article/view/1455