(3GdaYd GdVGQ hGdVeGf ajg (B:s (3OQGSI hUjGZI bGfhfjI eDUdI Ydi fUhU GdTQjYI GdESdGejI habggG GfWdGbG ef fUhU GdbGfhf GdeOfi GdCQOfi (B/s - (3eUWai CMeO GdRQbG (B.s ((3OeTb(B:s (3OGQ Gdbde,s, 1984)
Keywords: (3fXQjI JMed GdJHYjI(B.s; (3GdbGfhf GdeOfi (B. s; (3GdEKHGJ (B. s; (3GdJYhjV (B. s; (3GdEVQGQ (B.s