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1
Services inputs and firm productivity in Sub-Saharan Africa evidence from firm-level data
Baskı/Yayın Bilgisi 2006Kitap -
2
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3
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4
Information systems and basic statistics in Sub-Saharan Africa a review and strategy for improvement.
Baskı/Yayın Bilgisi 1990Kitap -
5
On the accuracy of economic observations do Sub-Saharan trade statistics mean anything?.
Baskı/Yayın Bilgisi 1989Kitap