
ORCID ID: https://orcid.org/0000-0002-4267-9176
Online bio:https://www.researchgate.net/profile/Valu-Alexandru
E-mail: ioan.valu.ui@valahia.ro
ORCID ID: https://orcid.org/0000-0002-4267-9176
Online bio:https://www.researchgate.net/profile/Valu-Alexandru
E-mail: ioan.valu.ui@valahia.ro