Authors
Cristina Sburlan
cristina.sburlan@365.univ-ovidius.ro
Faculty of Mathematics and Informatics, Ovidius University of Constanta, Constanta, Romania
cristina.sburlan@365.univ-ovidius.ro
© 2025 Cristina Sburlan, published by Ovidius University of Constanta
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.