[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)
[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)
![Национален пазар преди националната държава. Има ли български национален пазар преди Освобождението от 1878 г.? [National Market before the National State: Was There a Bulgarian National Market before the Liberation of 1878?]](https://eclipse.ue-varna.bg//storage/img/3/F0001502.PDF.1.png)
![Кредитни институции по българските земи през XVIII - XIX век. Опит за обзор [Credit institutions in the bulgarian lands during the 18th and 19th centuries. An attempt for review]](https://eclipse.ue-varna.bg//storage/img/4/F0039917.PDF.1.png)
![Официални норми за дейността на османските търговци с берат от 60-те години на ХIX век. Споделени практики от българските земи [Official regulations of the ottoman beratli merchants' activity in the 1860s. Shared practices from the bulgarian lands]](https://eclipse.ue-varna.bg//storage/img/4/F0039919.PDF.1.png)
