00340nam a22001217a 450000500170000002000220001703500120003903700130005110000150006424500770007926000430015630000190019920120425114456.0  a8121205727c00.00  aB-27392  aDPLbENG  aSen, Sipra  aTribes and castes of Assam :bAnthropology and sociology /cby Sipra Sen  aNew DelhibGyan Publishing Housec1999  a552p.c20 cms.