About this article
Published Online: May 27, 2019
Page range: 37 - 41
Received: Mar 01, 2019
Accepted: Apr 01, 2019
DOI: https://doi.org/10.2478/asn-2019-0005
Keywords
© 2019 Irina R. Iotova et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Iotova, Irina R.
Department of Chemistry, Faculty of Natural Sciences, “K. Preslavsky” UniversityShumen, Bulgaria
Enchev, Dobromir D.
Department of Chemistry, Faculty of Natural Sciences, “K. Preslavsky” UniversityShumen, Bulgaria