(3GdaSN h GdEfaSGN h GdJaGSN aj VhA GdbVGA h Gdabg (B/ s - (3GdeUQj, eMeO eMehOs; (3YGHOjf, eMeO CMeOs ((3GdGScfOQjI (B:s (3OGQ GdeWHhYGJ,s, 1997)
Keywords: (3GdYbhOs