Professor, Mohamed Elhag, King Abdulaziz University, Saudi Arabia

Professor, Mohd Zulkifli bin Mohd Yunus, Universiti Geomatika Malaysia, Malaysia 

Dr. Mesfin Reta Aredo, University of Johannesburg, South Africa

Professor, Smain Femmam, University of Haute Alsace, France

Associate Professor, Bogale Gebremariam Neka  ，Arba Minch University, Ethiopia 

Dr. Asnakew Mulualem Tegegne, University of Gondar, Ethiopia

Professor Satish Kumar Malik, Maharishi Markandeshwar University, India

Associate Professor, Muhammad Tauhidur Rahman, University of Texas at Dallas, USA

Associate Professor, Tamru Tesseme Aragaw ，Arba Minch University, Ethiopia  

Assistant Professor, Jaime Guihawan, Mindanao State University, the Philippines

Dr. Mohd Firdaus Bin Md Dan, Universiti Tun Hussein Onn Malaysia