00494nam a2200133Ia 4500008004100000040001700041082002900058110008600087245002800173260003400201300000900235440003600244650008000280190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta301.32095489bU58P  aUnited Nations. Economic and Social Commission for Asia and the Pacific (Bangkok) 0aPopulation of Sri Lanka  aBangkokbUnited Nationsc1976  aV.p.  aCountry monograph series; no. 4  aSri Lanka-Population; Migration, Internal-Sri Lanka; Urbanization-Sri Lanka