[Changes in the population and the number of households (families) in Bulgarian territories].
Arkadiev
D
D
D002031:Bulgaria; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D011153:Population; D011156:Population Density; D011157:Population Dynamics
Bulgaria; Demographic Factors; Developed Countries; Eastern Europe; Europe; Historical Survey; Population; Population Dynamics; Population Size