(3GdYQH h GdeSJbHd (B: s (3bQGAI aj efWdbGJ GdJLGhQ GdKbGaj eY GdBNQ (B/ s - (3GdQHjYj, ESeGYjd fhQjs ((3YeGf (B:s (3OGQ GdMGeO,s, 2002)
Keywords: (3GdKbGaIs; (3JGQjN GdYQHs; (3GdZQHs; (3GdJOhjds; (3GdHdOGf GdYQHjIs; (3GdKbGaI GdLeGgjQjIs