Adelaide Maria Sousa Figueiredo, University of Porto, Portugal

Adriana Alexandru, National Institute for Research, Romania

Alak Roy, Tripura University, India

Bahaa Al-Musawi, University of Kufa, Iraq

Carlos Becker Westphall, Federal University of Santa Catarina, Brazil

Chien-Chang Chou, National Kaohsiung University of Science and Technology, Taiwan

Dario Ferreira, University of Beira Interior, Portugal

Don Yeung, University of Maryland, California

Fernanda Figueiredo, I am associate professor at University of Porto

Humberto Cuteso Matumueni, Institute Higher Polytechnic Of Soyo, Angola

Ibrahim Hamzane, Hassan II University of Casablanca, Morocco

Juhriyansyah Dalle, Universitas Lambung Mangkurat, Indonesia

Kevin Matthe Caramancion, University of Wisconsin–Stout, USA

Mustafa S. Abd, Baghdad university, Iraq

Nadia Abd-Alsabour, Cairo university, Egypt

Noor Zamnan Jhanjhi, Taylor’s University, Malaysia

Olarik Surinta, Mahasarakham University, Thailand

Pascal Lorenz, University of Haute Alsace, France

Pellumb Kllogjeri, GeoGebra Institute of Albania, Albania

R Devanathan, Hindustan Institute of Technology and Science, India

Ramadan Elaiess, University of Benghazi, Libya

Rita Yi Man Li, Hong Kong Shue Yan University, Hong Kong

Sara Abri, Ostim Technical University; Turkey

Seppo Sirkemaa, University of Turku, Pori Unit

Shyam Akashe, ITM University, India

Smain Femmam, UHA University, France

Suneetha, VR Siddhartha Engineering College, India

Tasher Ali Sheikh, Residential Girls Polytechnic Golaghat Assam, India

Yuan Tian, Nanjing Institute of Technology, China

Zoltan Gal, University of Debrecen, Hungary