БОЙКО, Василь Степанович; БОЙКО, Ростислав Васильович. PROBLEMS AND EFFICIENCY OF INTRODUCTION OF HORIZONTAL MINING HOLES IN GAS AND OIL-EXTRACTING INDUSTRY. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 1(1), p. 221–234, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/355. Acesso em: 6 dec. 2025.