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Illegal transactions in trade-revisited
Panganiban, Leah R., (1985)
Economics of the black market
Ray, S. K., (1981)
Economie parallèle et inégalités
Duchêne, Gérard, (1982)
Fixing African economies : policy research for development
Phillips, Lucie Colvin, (2004)
A monetary model of Kenyaʹs balance of payments
Grubel, Herbert G., (1979)
Trade liberalization and economic growth in Kenya
Glenday, Graham, (2003)