Kaganiuk, Oleksii, Vasyl Melnyk, Mykola Polishchuk, Serhii Hryniuk, and Kateryna Bortnyk. “THE ROCK-COAL BOUNDARY CONTROL METHODS SUBSTANTIATION FOR COAL MINING COMBINES”. Proceedings of National Aviation University 77, no. 4 (March 6, 2019): 70–80. Accessed April 30, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/13500.