[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)
[The contribution of Gabrovo - from the revival crafts to the industry of new times (based on documents in Regional Historical Museum - Gabrovo)]
(2016)
![Митниците - приемственост, промяна и влияние върху българското стопанско развитие (1878 - 1912) [The customs - continuity, change and impact on bulgarian economic development (1878 - 1912)]](https://eclipse.ue-varna.bg//storage/img/3/F0011384.PDF.1.png)
