00490pab a2200157 454500008004000000100002300040245012000063260000900183300001300192362001200205650001900217650003200236650002400268700002300292773001700315180718b2001   xxu||||| |||| 00| 0 eng d  aTopal, Yesh Pal S.  aCauses for variation in social and economic conditions among tribes of Indian Central Himalaya: a comparative study  c2001  ap.87-102  aJan-Jun  aTribes - India  aIndia - Economic conditions  aEconomic conditions  aSamal, Prasanna K.  aMan in India