Clarke, George R.G. Beyond tariffs and quotas : why don't African manufactures export more / George R.G. Clarke - Washington, D.C. : The World Bank (WB) , 2005 - 32p. : ill. ; 25 cm. - Policy research working paper No. 3617 . Subjects--Topical Terms: TradeManufacturersQiptasTariffs Gov. Doc. Class. No.: UN WB PRWP-3617