003540a00a22000970004500040005800000245002500058250009100083260006000174260000900234260001300243  aOrganisation of Proessional Associations of Sri Lanka  aJournal of the O P A  bSLML:1(No. 2 1978);2(No. 1 1980);3(No. 1 1981);5(No. 1 1982);13(1990/91);24(2009 June)  bSri Lanka:Organisation of Professional Assocation of SL  a1978  cContinue