- Volume 66 (2021)
- Vol. 66 (2021)
- >
- Issue 4
- No. 4
- >
- Pages 547 - 548
- pp. 547 - 548
Front Matter
Pages 547 - 548
DOI https://doi.org/10.33675/AMST/2021/4/2
open-access
This publication is distributed under the terms of the Creative Commons License Attribution - NonCommercial - NoDerivatives 4.0.