00300nam a2200109Ia 450000500170000008000180001710000140003524500830004926000250013230000140015758300190017120260716043110.0  a07.06.01 B592  aBiggs, S.  aAgricultural research and the rural poor : a review of social science analysis  bIDRCaOttawaCAc1990  ax, 139 p.  c3/7/00kM2LMGR