Гутак, О. В., and Г. Н. Семенцов. “ANALYSIS OF CONNECTIONS OF INDEXES OF EFFICIENCY OF PROCESS OF THE BORING DRILLING ON PRINCIPLES OF APPROACH OF THE SYSTEMS”. Oil and Gas Power Engineering, no. 2(11) (November 18, 2009): 94–99. Accessed November 23, 2024. https://nge.nung.edu.ua/index.php/nge/article/view/227.