Surayyo Abdurahmonova, Kumushkhan Kurolova, and Umida Ergasheva. “OPTIMIZATION OF RAW MATERIAL SHAFT INSTALLATION AND SPEED ENHANCEMENT IN DPZ CHAINSAW WORKING CHAMBERS”. Journal of Science-Innovative Research in Uzbekistan, vol. 2, no. 4, Apr. 2024, pp. 124-30, https://universalpublishings.com/index.php/jsiru/article/view/5107.