00537cam a22001457a 4500008004000000082001400040100002400054245009200078260003900170300001000209440003900219650004500258650002900303650005900332180718b1999   xxu||||| |||| 00| 0 eng d  aZx67 T663  aTownsend, Robert F.  aAgricultural incentives in Sub-Saharan Africa: policy challengescby Robert F. Townsend  aWashington, D.C.bWorld Bankc1999  a191p.  aWorld Bank technical paper no. 444  aAgricultural prices - Sub-Saharan Africa  aFarm produce - Marketing  aAgricultural development projects - Sub-Saharan Africa