Hellenic Association of Regional Scientists.

Statistical Economic and Social Research and.

Universitat de Barcelona.

11th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications, MAVEBA 2019. Firenze University Press.

13th IEEE International Conference on Application of Information and Communication Technologies, AICT 2019. Institute of Electrical and Electronics Engineers Inc..

Intellect Ltd..

Springer International Publishing.

Mattingley Publishing.

2019 International Conference on Engineering and Telecommunication, EnT 2019. Institute of Electrical and Electronics Engineers Inc..

Physical Society of Japan.

2019 IEEE Global Communications Conference, GLOBECOM 2019. Institute of Electrical and Electronics Engineers Inc..

Pleiades Publishing.

Emerald Group Publishing Ltd..

Springer.

Ivyspring International Publisher.