Niet gehuwd moeder zijn . . En dan? 1971-1974

Intake and follow-up study of unmarried mothers family relations / social relations / child / work / education / housing / opinions on marriage and other ways of living together...未婚母亲入组及随访研究：涵盖家庭关系、社会关系、子女状况、就业情况、教育状况、住房情况、婚姻观念及其他同居生活方式看法等维度……