**Perspectives and Challenges in Doctoral Research—Selected Papers from the 10th Edition of the Scientific Conference of the Doctoral Schools of "Dun ˘area de Jos" University of Galati (SCDS-UDJG)**

Editors

**Eugen Rusu Gabriela Rapeanu**

MDPI • Basel • Beijing • Wuhan • Barcelona • Belgrade • Manchester • Tokyo • Cluj • Tianjin

*Editors* Eugen Rusu "Dunarea de Jos" University of Galati Galat,i Romania

Gabriela Rapeanu "Dunarea de Jos" University of Galati Galat,i Romania

*Editorial Office* MDPI St. Alban-Anlage 66 4052 Basel, Switzerland

This is a reprint of articles from the Special Issue published online in the open access journal *Inventions* (ISSN 2411-5134) (available at: https://www.mdpi.com/journal/inventions/special\_issues/10th\_ Doctoral\_Research).

For citation purposes, cite each article independently as indicated on the article page online and as indicated below:

LastName, A.A.; LastName, B.B.; LastName, C.C. Article Title. *Journal Name* **Year**, *Volume Number*, Page Range.

**ISBN 978-3-0365-7892-7 (Hbk) ISBN 978-3-0365-7893-4 (PDF)**

Cover image courtesy of Gabriela Rapeanu

© 2023 by the authors. Articles in this book are Open Access and distributed under the Creative Commons Attribution (CC BY) license, which allows users to download, copy and build upon published articles, as long as the author and publisher are properly credited, which ensures maximum dissemination and a wider impact of our publications.

The book as a whole is distributed by MDPI under the terms and conditions of the Creative Commons license CC BY-NC-ND.
