00407pab a2200121 454500008004000000100002100040245011000061260000900171300001400180650004800194650002600242773001700268180718b2008   xxu||||| |||| 00| 0 eng d  aHalder, Somenath  aOccupational health hazard: a case study of stone chip manufacturing plant in Malda district, West Bengal  c2008  ap.277-92.  aOccupational diseases - India - West Bengal  aOccupational diseases  aISDA Journal