Mann, Prem S.
Statistics for business and economics
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Australian Economic History Review
Sydney : Sydney University Press
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Boeke, Hendrik Enno.
Interest of the voiceless Far East introduction to oriental economics
Leiden Universitaire Pers 1948
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Fakultas Ekonomi Universitas Indonesia News Letter
Depok : FE-UI, 2006,
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Buletin Perekonomian : media informasi & komunikasi kementerian koordinator bidang perekonomian
Jakarta : Humas Depkeu, 2006,
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