Title: Informat︠s︡ionen spravochnik za provedeni sot︠s︡iologicheski izsledovanii︠a︡ v stolichnii︠a︡ teritorialno-proizvodstven kompleks
Subjects: Social conditions, Party work, Industrial sociology, Bŭlgarska komunisticheska partii︠a︡, Social surveys
Places: Sofia (Bulgaria), Sofia, Bulgaria