(3GdJYdjb Ydi fUhU GdTaYI ai GdbGfhf GdeOfi (B/ s - (3YHOGdYRjR eMeO GHhZOjQs ([S.N] : (3ecJHg GdfgVg GdeUQjg , s, 1986)
Keywords: (3GdbGfhfs; (3GdbGfhf GdeOfis