(3ehShYI GdJGQjN GdESdGej h GdMVGQI GdESdGejI (B4 :s (3GdGfOdS GdESdGejI(B-(3GdeZQH(B,(3GdLRGFQ(B,(3JhfS(B,(3djHjG ef eWdY GdESdGe Zdi GdYgO GdMGVQ (B/s - (3THdj, CMeOs ((3eUQ (B:s (3ecJHIGdfgVIGdeUQjI ,s, 1969)
Keywords: (3GdJGQjN GdESdGej s; (3GdMVGQI GdESdGejIs; (3ehShYIs