(3CHMGK hefGbTGJ (B: s (3GdedJbi GdCOHj GdKGfj dOhdI eLdS GdJYGhf dOhd GdNdjL GdYQHjI Mhd GdJeKjdjI GdEPGYjI hGdJdaRjhfjI (B/ s ((3GdGeGQGJ (B: s (3hRGQI GdEYdGe hGdKbGaI , s, 1991)
Keywords: (3GdEYdGe GdNdjLj; GdOQGeG GdEPGYjI hGdJdaRjhfjI; Gdafhf GdJeKjdjI; eDJeQGJ hCHMGK KbGajIs