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• Current address : Tufan ÖZDIN: Department of Mathematics, Faculty of Science and Art, Erzincan University, 24100 Erzincan, TURKEY.
• E-mail address : tozdin@erzincan.edu.tr; tufan.ozdin@hotmail.com ORCID Address: http://orcid.org/0000-0001-8081-1871