Византијско-бугарски ратови (Serbian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Византијско-бугарски ратови" in Serbian language version.

refsWebsite

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1books.google.com

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books.google.com

Fine 1991, стр. 130. Fine, John V. A. (1991). The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century. University of Michigan Press. ISBN 978-0-472-08149-3.