Authors
Ion Simaciu
Retired lecturer, Petroleum-Gas University of Ploieşti, Ploiești, Romania
Zoltan Borsos
Petroleum-Gas University of Ploieşti, Ploiești, Romania
Viorel Drafta
Gheorghe Dumitrescu
High School Toma N. Socolescu, Ploiești, Romania
© 2023 Ion Simaciu, Zoltan Borsos, Viorel Drafta, Gheorghe Dumitrescu, published by Gheorghe Asachi Technical University of Iasi
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.