[Methodological problems of fertility surveys (Part 1)].
D003625:Data Collection; D003710:Demography; D005298:Fertility; D011153:Population; D011157:Population Dynamics; D012106:Research; D012494:Sampling Studies
Demographic Factors; Fertility; Population; Population Dynamics; Research Methodology; Sampling Studies; Studies; Surveys
Metodologiczne problemy statystycznych badan dzietnosci (I)