00340nam a22001217a 45000050016000000200022000160350013000380370013000511000014000642450075000782600041001533000024001942012041301391.0  a8171171524c00.00  aA-937081  aDPLbENG  aMitra, A.  aInternal migration and economic development in the hills /cby A Mitra  aNew DelhibOmsons Publicationsc1997  axii, 213p.c20 cms.