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. Ramin Ekhteiari Salmas, Assistant professor, Department of Chemistry, Istanbul Technical University, TURKEY
Email: ramin.ekhteiari@gmail.com, ekhteiarisalmas@itu.edu.tr

Dr. Mustafa ÖZKAN, Department of Mathematics, Trakya University, TURKEY
Email: mustafaozkan@trakya.edu.tr, mustafaozkan22@cloud.com