Akbaraliyevich, Rustamov Mukhammadazim. 2022. “Improving the Accuracy and Efficiency of the Production of Gears Using Gas Vacuum Cementation With Gas Quenching under Pressure”. Central Asian Journal of Theoretical and Applied Science 3 (5):85-99. https://cajotas.casjournal.org/index.php/CAJOTAS/article/view/497.