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(2019)
[The Anarchy, the Russo-Turkish Wars and the Uprisings in the Ottoman Empire from the End of the 18th and the First Decades of the 19th Century as a Factor in the Development of Cities in the Bulgarian Lands Under Ottoman Rule]
(2025)
[Payments in Kind in the Educational Activities, Craft Training and School Actions in Bulgarian Lands during the Revival Period and in the First Decades of the 20th Century. Notes and Materials]
(2020)
[How many and which were the first factories in the bulgarian lands before the liberation in 1878? Attempt of analysis relying on the sources and the historiography]
(2016)
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