[Circular on census and family planning of 1990].
D001208:Asia; D019352:Censuses; D002681:China; D003906:Developing Countries; D004467:Economics; D004493:Education; D016656:Family Planning Policy; D005202:Asia, Eastern; D011154:Population Characteristics; D011640:Public Policy; D012106:Research; D012922:Social Change; D014798:Vital Statistics
Asia; Census; China; Developing Countries; Eastern Asia; Economic Development; Economic Factors; Education; Family Planning Policy; Policy; Population Policy; Population Statistics; Research Methodology; Social Development; Social Policy; Vital Statistics