Karshievich, Eshkabilov Kholikul, and Eshkobilov Olim Kholikulovich. “SURFACE HARDENING OF THE TOOLS BY NITROOXIDATION”. International Journal of Psychosocial Rehabilitation 24, no. 9 (November 30, 2020): 4240–4248. Accessed April 13, 2026. https://psychosocial.com/index.php/ijpr/article/view/9228.