004990a00a22001570004500 Organisation of Proessional Associations of Sri Lanka Journal of the O P A SLML:1(No. 2 1978);2(No. 1 1980);3(No. 1 1981);5(No. 1 1982);13(1990/91);24(2009 June) Sri Lanka:Organisation of Professional Assocation of SL 1978 Continue ddc 5459 5459 SLMLJNL REF SLMLJ SLMLJ678571 2020-09-20 0 ddc SLML SLML 0 0 2020-09-20 0 2