= From the History of Trade and Banking in Svishtov. Trading-and-Banking (Money-changing) Companies and Banking Houses and their Importance for the Town Economy (1878 - 1912)
(2018)
[Researching the Development of the Egovernment in the Republic of Bulgaria and Assessing the Citizens' Tendency to Use Electronic Administrative Services] : [Електронен ресурс]
(2018)