Akmal Bekmurodovich, P. . and Anvarkhodja Akbarkhodjiyevich, R. (2022) “IMPROVING DRILLING SPEED WHILE USING HIGH-EFFICIENCY DRILLING MACHINES IN QUARRY CONDITIONS”, Confrencea, 1(1). Available at: https://confrencea.org/index.php/confrenceas/article/view/18 (Accessed: 19 April 2024).