Document Type : Research Article
Authors
1 Department of Mining Engineering, Sahand University of Technology, Tabriz, I.R. IRAN
2 Department of Mining Engineering, Imam Khomeini International University (IKIU), Qazvin, I.R. IRAN
3 Department of Mathematics, Imam Khomeini International University (IKIU), Qazvin, I.R. IRAN
Abstract
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