{"title":"Sum up experience to make continuous progress.","authors":"J Liang","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":84441,"journal":{"name":"China population newsletter","volume":"6 1","pages":"8-9, 19"},"PeriodicalIF":0.0000,"publicationDate":"1989-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"China population newsletter","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}