New issue 34 (4)_2020 published - Happy New Year!

We would like to kindly inform you that the new issue of the journal 34 (4) _2020 has been published. We invite you to read the articles.

We invite you to submit papers for publication in 2021 and 2022.

Dear Authors, Reviewers and Readers  - we wish you health and all the best in the New Year 2021.

Editorial Team