(3OQGSGJ ai eTcdGJ GdJYdje GdLGeYi hGdYGdi (B/ s - (3eMeO SejQ MSGfjfs ([S.N] : (3OGFQI GdGYdGe , s, 1989)
Keywords: (3eUQs; (3GdJNWjW GdJQHhis; (3GdJYdje GdYGdis; (3GdJYdje GdLGeYis