00393pab a2200121 454500008004000000100001600040245012400056260000900180300001400189362000800203650002700211773003300238180718b2010   xxu||||| |||| 00| 0 eng d  aHasan, Arif  aCan urban density be made to work for everyone? Exploring options for Karachi's low- and lower-middle-class settlements  c2010  ap.267-68.  aApr  aPopulation settlements  aEnvironment and Urbanization