1.      Professor Milos Kojic, Corresponding Member of SANU-Serbia,  Department of Computer Science University of Houston (PDF)

2.      Professor Mohsen Razzaghi, Department of Mathematics and Statistics, Mississippi State University, Mississippi State, USA. (PDF)

3.      Professor Victor M. Calo, Applied Mathematics & Computational Science Earth Science & Engineering, Kingdom of Saudi Arabia  (PDF)

4.      Professor Katica Hedrih, Mathematical Institute of Serbian Academy of Sciences and Arts, Belgrade and  Faculty of Mechanical Engineering University of Niš, Serbia  (PDF)

5.      Professor Pavel Krasilnikov, Department of  Differential Equations, Moscow State Aviation Institute, Moscow, Russia (PDF)

6.      Professor Ardeshir Guran, Institute of Structronics,
 Ottawa, Canada. (PDF)

7.      Professor Aleksandar Obradovic, Faculty of Mechanical Engineering, Belgrade, Serbia (PDF)

8.      Professor Dragan B.Jovanovic, Faculty of Mechanical Engineering, University of Niš (PDF)