The International Drinking Water Supply and Sanitation Decade. Review of national baseline data (as at 31 December 1980).
D000349:Africa; D000488:Allied Health Personnel; D001208:Asia; D002489:Central America; D005060:Europe; D014943:Global Health; D006801:Humans; D007256:Information Systems; D012424:Rural Population; D012499:Sanitation / Q000639:trends; D012959:Socioeconomic Factors; D013020:South America; D014481:United States; D014505:Urban Population; D014881:Water Supply / Q000032:analysis