Kondeva-Burdina, Magdalena
Doytchinova, Irini
Krasteva, Ilina
Ionkova, Iliana
Manov, Vasil
Peer Review Statement: The publishing and review policy for this title is described in its Aims & Scope.
Publication History
Received: 2019-07-15
Revised: 2019-09-20
Accepted: 2019-09-24
Published: 2019-10-04