Dr. Vishnu Narayan Mishra, Assistant Professor of Mathematics, Sardar Vallabhbhai National Institute of Technology, India
E-mail: vishnu_narayanmishra@yahoo.co.in

Dr. V. Ananthaswamy, Assistant Professor, Department of Mathematics, The Madura College (Autonomous), India
E-mail: ananthu9777@rediffmail.com

Dr. Arezu Jahanshir, Assistant Professor & Faculty Member of BZT University, Iran
E-mail: aresuj@gmail.com

Dr. Ahmed Hashim Mohaisen Al-Yasari, Department of Physics, College of Education For Pure Science, University of Babylon, Hilla, IRAQ
E-mail: ahmed_taay@yahoo.com

Dr. Md. Rafiqul Islam, Professor, Department of Population Science and Human Resource Development, University of Rajshahi, Rajshahi-6205, Bangladesh
E-mail: rafique_pops@yahoo.com

Dr. Wei-Kai Lai, Associate Professor of Mathematics, University of South Carolina Salkehatchie, USA
E-mail: LaiW@mailbox.sc.edu

Dr. Mustafa ÖZKAN, Department of Mathematics, Faculty of Science, Trakya University, Edirne, TURKEY
Email: mustafaozkan@trakya.edu.tr