00377pab a2200121 454500008004000000100002100040245010900061260000900170300001400179362001100193650001700204773003400221180718b1997   xxu||||| |||| 00| 0 eng d  aPatel, Pravin J.  aTrade unions and class mobilisation of workers: towards a theory of social polarisation and mobilisation  c1997  ap.L23-L36  a30 Aug  aTrade unions  aEconomic and Political Weekly