00873cas a2200229 a 45000010008000000030008000080050017000160080037000330350012000700400027000820820016001091100019001252450097001442600039002413000021002803620010003015500060003115800109003716500025004807100041005057800097005461835483BD-DhUL20170410160147.0000207c1972nyuuu s i0 0eng d a1835483 aABScABSdANLdBD-DhUL 0a311.22bUNS 0aUnited Nations00aA short Manual on sampling : cUnited Nationsb Vol. I, elements of sample survey theory / aNew York :bUnited Nations,c1972. a320 p. :c29 cm.0 a1982- aIssued by the Statistical Office of the United Nations. aContinues: Energy balances ... and electricity profiles ... for selected developing countries and areas. 0aComputer Programmes 2 aUnited Nations.bStatistical Papers.10tEnergy balances ... and electricity profiles ... for selected developing countries and areas