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Ėkonomika razvivajuščichsja stran v cifrach : opyt spravočno-statističeskogo issledovanija ; 1950 - 1985 gody
Bolotin, Boris Moiseevič, (1988)
The collection, analysis, and use of monitoring and evaluation data
Casley, Dennis J., (1988)
External debt : definition, statistical coverage and methodology
(1988)