Apostol, Bogdan Felix http://orcid.org/0000-0002-9990-9390
Funding for this research was provided by:
Scientific Education and Research Institute (Romanian Government Research Grant #PN16-35-01-07/2016 and #PN18-15-01-01/2018.)
Article History
Received: 18 April 2019
Accepted: 11 June 2019
First Online: 26 June 2019