. (3hGbY GdejGg aj dHfGfs (3GdMdbI GdOQGSjI GdGhdi, HjQhJ (B27-28 (3JTQjf GdGhd (B1992s ((3HjQhJs [(3O(B.(3f(B] ,s, 1992)
Keywords: (3GdejGg GdLhajIs -- (3dHfGfs