| Autor: |
Ahmad QA; School of Mines, China University of Mining and Technology, Xuzhou, Jiangsu, China.; College of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, 266590, China., Ashraf S; Institute of Mathematics, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, 64200, Pakistan. shahzaib.ashraf@kfueit.edu.pk., Iqbal W; Institute of Mathematics, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, 64200, Pakistan., Qiang ML; School of Mines, China University of Mining and Technology, Xuzhou, Jiangsu, China.; Key Laboratory of Xinjiang Coal Resources Green Mining (Xinjiang Institute of Engineering), Ministry of Education, Ürümqi, 830023, China. |
