00718nam a2200181   450000500170000000700040001700800040002102000150002504000090004005000170004910000160006624502880008226000720037030000230044244000370046565000120050265000220051420150626114302.0000000  a0821325310  aUOEL  aSB211.C3bW5  aWigg, David  aThe Quiet Revolutionaries:bA Look at the Campaign by Agricultural Scientists to Fight Hunger (...and How the Much -Neglected Cassava Could Help): They' re quiet types- people you' ve never  heard of, doing jobs you've never thought of.'' cby David Wigg, Foreword by W. David Hopper  aWashington D.C.bThe International Bank for Reconstruction,cc1993.  aiii,47p. :bIll. ;  aWorld Bank Development Essaysn2  aCassava  aCassavaxResearch