(3GdZfjei GdhSjW bGfhf GdSdGe(B: (3GdbGfhf GdOhdi GdYGe Gh bGfhf GdGee Ref GdSde (B/ s - (3eMeO WdYJ GdZfjeis ([S.N] : (3ecJHg GdfgVg GdeUQjg , s, 1993)
Keywords: (3GdbGfhfs; (3GdbGfhf GdOhdis