Authors
N. Boutelhig
Laboratoire de Recherches et des Etudes Economiques, Mohamed-Cherif Messaadia University, Souk-ahras, Algeria
A. Lakhdari
National Higher School of Technology and Engineering, Annaba, Algeria
© 2023 N. Boutelhig, B. Meftah, W. Saleh, A. Lakhdari, published by University of Ss. Cyril and Methodius in Trnava
This work is licensed under the Creative Commons Attribution 4.0 License.