Prof. L.T. Evans, Southern Illinois University, USA

Dr. H.K. Matsuda, Kanazawa University, Japan

Prof. C.R. Delgado, University of Granada, Spain

Prof. S.F. Khalid, University of Sharjah, UAE

Dr. M.N. Turner, Victoria University, Australia

Prof. B.J. Simmons, Texas State University, USA

Dr. E.L. Ivanova, Kazan Federal University, Russia

Prof. T.P. Laurent, University of Angers, France

Dr. Y.L. Zhou, Beijing University of Technology, China

Prof. R.K. Sharma, Anna University, India

Dr. P.W. Green, University of Leeds Beckett, UK

Prof. X.M. Li, Jinan University, China

Dr. F.O. Musa, Stellenbosch University, South Africa

Prof. K.J. Park, Yonsei University, South Korea

Dr. N.A. Carter, Memorial University of Newfoundland, Canada

Prof. G.H. Ricci, University of Trento, Italy

Dr. H.M. Khan, Universiti Teknologi MARA, Malaysia

Prof. A.R. Becker, University of Wuppertal, Germany

Dr. J.E. Adebayo, Covenant University, Nigeria

Prof. Y.K. Tanaka, Nagasaki University, Japan