(3adSaI GHf Wajd hQSGdJg (B((3Mj Hf jbXGf(B) / s - (3eMehO, YHO GdMdje, s ((3HjQhJ (B[(3dHfGf(B] : s (3ecJHI GdGfLdh GdeUQjI, s, 1984)
Keywords: (3GdadSaI GdGSdGejI(B.s