(3Mb GdedcjI ai PGJjI ai GdbGfhf GdeOfi GdCQOfi (B/s - (3eMeO hMjO GdOjf ShGQ (B. s ((3YeGf (B:s (3ecJHI OGQ GdKbGaI ddfTQ hGdJhRjY,s, 1993)
Keywords: (3GdbGfhf GdeOfi (B.s; (3bGfhf GdedcjI (B.s