Бойко ВС, Бойко РВ. PROBLEMS AND EFFICIENCY OF INTRODUCTION OF HORIZONTAL MINING HOLES IN GAS AND OIL-EXTRACTING INDUSTRY. Number [Internet]. 2019 Mar. 8 [cited 2025 Dec. 20];(1(1):221-34. Available from: https://www.pvntsh.nung.edu.ua/index.php/number/article/view/355