00493nam a2200157Ia 4500003000900000008004100009040003300050041000800083080002500091245009900116246004000215260002800255300002200283500000900305650002100314LK-CoDNM010623t1978    xxu||||| |||| 00| 1 sin d  aLK-CoDNMdLK-CoDNMeLK-CoDNM  asin  a(x) 380 (09).331 COL  aකොළඹ නගරයේ අවිධිමත් ව්‍යපාර අංශය  aThe informal sector of Colombo city  bMaarga prakashanac1978  b(xii)118, 21.5 cm  aNo.8  aBusiness studies