[Major program and methodological problems of censuses in Bulgaria (1900-1985)].
Balevski
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D
D002031:Bulgaria; D019352:Censuses; D019049:Developed Countries; D004467:Economics; D005060:Europe; D005061:Europe, Eastern; D011154:Population Characteristics; D012106:Research; D012959:Socioeconomic Factors
Bulgaria; Census; Census Methods; Developed Countries; Eastern Europe; Economic Factors; Europe; Historical Survey; Population Statistics; Research Methodology; Socioeconomic Factors