00309cam a22001097a 4500008004000000082001300040100001800053245007000071260002900141300001000170650001900180180718b1965   xxu||||| |||| 00| 0 eng d  aB19 K897  aKrishna, Daya  aConsiderations towards a theory of social changecby Daya Krishna  aBombaybMankatalasc1965  a196p.  aSocial Change.