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The Demographic Problem - one of the Main Problems of Contemporary Cover

The Demographic Problem - one of the Main Problems of Contemporary

Acta Scientifica Naturalis
Volume 7 (2020): Issue 2 (July 2020)
By: Ivaylo Vladev and  Rositsa Vladeva  
Open Access
|Aug 2020
Authors

Authors

Ivaylo Vladev

Konstantin Preslavsky University of Shumen, Faculty of Natural Sciences, Shumen, Bulgaria

Rositsa Vladeva

r.vladeva@shu.bg

Konstantin Preslavsky University of Shumen, Faculty of Natural Sciences, Shumen, Bulgaria
DOI: https://doi.org/10.2478/asn-2020-0027 | Journal eISSN: 2603-347X | Journal ISSN: 2367-5144
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Language: English
Page range: 158 - 171
Published on: Aug 10, 2020
Published by: Konstantin Preslavski University of Shumen
In partnership with: Paradigm Publishing Services
Publication frequency: 3 issues per year
Keywords:
global geographic problems,
demographic problem
Related subjects:
Chemistry,
Chemistry, other,
Geosciences,
Geography,
Life sciences,
Life sciences, other,
Physics,
Physics, other

© 2020 Ivaylo Vladev, Rositsa Vladeva, published by Konstantin Preslavski University of Shumen
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 7 (2020): Issue 2 (July 2020)
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