(3QMdI GeQjcjI (B/ s - (3UdGM GdOjf GdTQja (B((3eJQLe(B)s; (3QjaR, QjJTGQOs ([S.N] : (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1991)
Keywords: (3GdGMhGd GdGLJeGYjIs; (3GdGMhGd GdSjGSjIs; (3GdhdGjGJ GdeJMOI GdGeQjcjIs; (3JGQjN MOjKs; (3GdOjebQGWjIs