00509nam a2200157Ia 4500008004100000082001600041100001500057245005900072260003800131650001600169650002300185650002100208942000700229999001700236952009800253220204s9999    xx            000 0 und d  a631.55bSUD  aSUDHIR SEN 0aRicher harvest: New horizons for developing countries.  aNew DelhibTata McGraw Hillc1974  aAgriculture  aFarm mechanization  aPlant protection  cBK  c22914d22914  00104070aMAINbMAINd2021-12-16l0o631.55 SUDp03625r2021-12-16 00:00:00w2022-02-14yBK