NGUYEN DUC, Trung, Waldemar KORZENIOWSKI, Krzysztof SKRZYPKOWSKI, i Nguyen PHAM TRUNG. „Study on Some Solutions for Enlarging the Application Scope of the Fully Mechanized Longwall Coal Mining Technology According to Seam Dip Angle at Underground Coal Mines in Quang Ninh Coalfield”. Inżynieria Mineralna 2, no. 2 (styczeń 13, 2022). Udostępniono grudzień 4, 2024. https://inzynieriamineralna.com.pl/index.php/testowe/article/view/293.