Alrefo, Ibrahim Farhan Salman, Walid Ibrahim Alnusirat, and Litvin Оleksandr. “Investigation of the Influence of Hardness Characteristics of the Collet-Part Lathe System”. Eastern-European Journal of Enterprise Technologies 2, no. 7 (98) (April 12, 2019): 20–25. Accessed July 28, 2024. https://journals.uran.ua/eejet/article/view/164091.