University of Pegaso, Italy
Email: luca.benvenga@unipegaso.it
Instituto Politécnico de Lisboa, Portugal
Email: rhgeremias@iscal.ipl.pt
Wollo University, Ethiopia
Email: anmut1216@gmail.com
University of São Paulo at Ribeirão Preto, Brazil
Email: fregimenes@eerp.usp.br
University of Almería, Spain
Email: lmarvide@ual.es
University of Coimbra, Portugal
Email: juliacarvalho@esenfc.pt
Ubon Ratchathani University, Thailand
Email: rattanachaikunsopon@yahoo.com
Ubon Ratchathani University, Thailand
Email: scpariph@gmail.com
University of South Africa, South Africa
Email: kolobe66@yahoo.com
Centro Universitário FACENS, Brazil
Email: janizecs@yahoo.com.br
University “Aleksander Xhuvani” of Elbasan, Albania
Email: elona.zhiva@uniel.edu.al