Title: Budushchee : realʹnye problemy i burzhuaznye spekuli︠a︡t︠s︡ii /
Authors: Kozharov, Asen.; Rachkov, Vi︠a︡cheslav Panteleĭmonovich.; Ganchev, Petko D.; Institut za sŭvremenni sot︠s︡ialni teorii.
Publisher: Izd-vo Bolgarskoĭ akademii nauk,
Year: 1979
Subjects: Forecasting.