(3JGQjN ShOGf hGOi Gdfjd MVGQJg hYdGbJg HeUQ ef GbOe GdYUhQ Gdi GdhbJ GdMGVQ (B/ s - (3Thbi YWGGddg GdLeds; (3Thbi GdLeds ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1969)
Keywords: (3eUQs; (3JGQjNs; (3GdShOGfs; (3GdYdGbGJ GdNGQLjIs