Khusanov Yunusali Yuldashalievich, and Nematjonov Holmatjon. “ADVANCED DRILLING METHODS, NON-TECHNOLOGICAL HOLES”. International Engineering Journal For Research & Development 6, no. 5 (October 26, 2021): 8. Accessed April 19, 2026. https://www.iejrd.com/index.php/iejrd/article/view/2339.