Amjadi A; Yeats A.J Have transport costs contributed to the relative decline of sub-saharan African exports WB PRWP; no.1559 - Washington DC World Bank 1995 - See WB 382.609 AMJ (Includes Acc. Nos. 17442, 17455, 17462, 17502, 17503 & 17504) Subjects--Topical Terms: TRADE