(3GdhbGjI ef GdMhGOK YfO GdCWaGd (B/ s - (3ehQjS, QGZOIs ((3HjQhJ (B:s (3LQhS HQS,s, 1997)
Keywords: (3QYGjI GdWahdIs; (3GdMhGOKs; (3efY GdMhGOKs