1
by Masala, Carlo
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Marichal, José
Published 2012
Taylor & Francis

3
by Marichal, José
Published 2012
Taylor & Francis

4
by Lytras, Miltiadis
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute