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Bulgarischer Aussenhandel
(1989)
Problemi na ikonomičeskija rastež v NR Bălgarija i evropejskite socialističeski strani
Angelov, Todor, (1985)
Globalni modeli i prognozi za razvitieto na ikonomikata na sveta i na Bălgrija
Šapkarev, Petăr K., (1991)
The rebirth of capitalism in Bulgaria
Avramov, Rumen, (1994)
Economic transition in Bulgaria
Organization and management of co-operative farms in Bulgaria
Stankov, Zdravko, (1968)