[Aspects of the Economic Crisis in the Bulgarian Lands during the 1850s and 1860s according to the Data from the Archive of the Krastich Brothers, Merchants from the Town of Svishtov]
(2019)
Good Opportunities and Barriers to the Grain Trade in the Ports of the Western Black Sea Coast in the 1840s, Presented in the Reports of the European Consuls
(2024)
[The contribution of Gabrovo - from the revival crafts to the industry of new times (based on documents in Regional Historical Museum - Gabrovo)]
(2016)
[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)