(3GdMce hBKGQg cSHH dGfbVGA GdOYhi GdeOfjI (B:s (3OQGSI JMdjdjI JWHjbjI Ydi GdfXGe GdbVGFj aj GdeedcI GdYQjHI GdSYhOjI (B/s - (3GdbMWGfj, SYO Hf fGUQ Hf Led Hf TQjs; (3aQMGJ, eMeO fYjes (1989)
(3HHdjhLQGajI (B: (3hQbI (B158-162.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdCMcGe GdLfGFjIs -- (3GdSYhOjIs; (3GdOYhi GdeOfjIs -- (3GdSYhOjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s