(3GdOhQ GdCefj ddbhGJ GdNGUI dCef GdWQb (B:s (3OQGSI ejOGfjI Ydi GdbhGJ GdYGedI hGdeSGaQjf Ydi NW GdSjQ Hjf GdQjGV hGdefWbI GdTQbjI (B/s - (3GdOhSQj, eMeO eHGQcs; (3GdHTQj, eMeO GdCejfs (1996)
(3jTJed Ydi edGMb(B.s
(3CWQhMI (B((3eGLSJjQ(B)--(3LGeYI fGja GdYQHjI ddYdhe GdCefjI, cdjI GdOQGSGJ GdYdjG, bSe GdYdhe GdEOGQjI, (B.s
(3HHdjhLQGajI (B: (3U(B. 167-173.s
Keywords: (3GdWQbs -- (3JOGHjQ CefjIs -- (3GdSYhOjIs -- (3CWQhMGJs; (3GdCef GdOGNdjs -- (3GdSYhOjIs -- (3GdQjGVs -- (3CWQhMGJs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s