[The national population census of 1988].
Olszewska
R
R
D019352:Censuses; D003625:Data Collection; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D011044:Poland; D011154:Population Characteristics; D012106:Research
Census; Census Methods; Data Collection; Developed Countries; Eastern Europe; Europe; Poland; Population Statistics; Research Methodology