Abdumannonov, Bobomurod Abdusalomovich, and Abrorbek Abbosovich Karimov. 2022. “Ground of Composition of Cone-Shaped Material Formed for Coverage Working Surfaces of Details”. International Journal of Innovative Analyses and Emerging Technology 2 (3):28-30. https://openaccessjournals.eu/index.php/ijiaet/article/view/1129.