Estela Marine-Roig, University of Lleida, Spain

Muhyiddine Jradi, University of Southern Denmark, Denmark

M. M. Alazaizeh, The University of Jordan, Jordan

Nabilt Moggiano Aburto, Universidad Continental, Perú

Gabriel Ayodeji Ogunmola, Machine Building Institute Andijan, Uzbekistan

Fezile Ozdamli, Near East University, Nicosia

Marina Yu. Kotova, St. Petersburg State University, Russia

Gabor Kiss, J. Selye University, Slovakia

Bijay Kumar Kandel, Kathmandu University, Nepal