Bursa Uludag University / Faculty of Education / Mathematics and Science Education …

University of Warmia and Mazury in Olsztyn, Institute of Geodesy

Associate Professor, Mathematical Institute, University of Oxford

Professor of Mathematics, University Tunis El Manar

Researcher, University of California at Berkeley

Universitas Cokroaminoto Palopo

PhD of Mathematics, Syracuse University

Department of Mathematics, Faculty of Education, Buriram Rajabhat University, THAILAND

Associate Professor of Math, Al Azhar University-Gaza

Chemistry and Math Professor, University of Antique