Belezi na vremeto : dokumentalen sbornik s pogled otli︠a︡vo /

by Stamenova, Blagovesta, 1941-
Published 2020

Politikata za stopanska modernizat︠s︡ii︠a︡ v Bŭlgarii︠a︡ po vreme na Studenata voĭna /

by Marcheva, Ilii︠a︡na, Marcheva, Ilii︠a︡na
Published 2016

Stopanskii︠a︡t XX vek na Bŭlgarii︠a︡ /

by Avramov, R (Rumen)
Published 2001

Avarii i katastrofi : khronika na sot︠s︡ialisticheska industrializat︠s︡ii︠a︡ /

by Vachkov, Daniel
Published 2018