00286nam a2200109 a 450000500170000008200160001710000170003324500450005026000290009530000230012463000290014720251202164310.0  a338.16bAGR  aBirendra,Rao  aAgricultural development and small farms  aNew DelhibS.Chandc1984  a279 p.c24 cm.bHB  aAgricultural development