(3YbO GdJMcje aj Gdabg GdGSdGej hGdbGfhf GdhVYjs - (3GdOhQj(B, (3bMWGf YHO GdQMefs ((3HZOGO(B:s (3GdNdhO(B,s, 1985)
Keywords: (3Gdabg GdGSdGejs