Aghababaei S, Saeedi Rashkolia G, Jalalifar H. Risk analysis of roof fall and prediction of damaged regions at retreat longwall coal mining face. Rud.-geol.-naft. zb. [Internet]. 2020Jun.16 [cited 2024Apr.25];35(3). Available from: https://hrcak.srce.hr/ojs/index.php/rgn/article/view/10206