Socio-economic survey of Sri Lanka, 1969-70,  round 1-4. Statistical tables : vol.11 : 1973.  Household income, consumption and expenditure 
 - Colombo  Department of Census and Statistics  1973 
 - ix,216,[xv],p.  34 cm. 
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<br/><br/><label>Dewey Class. No.: </label>309.15489  / S