(3GdETGYI hCKQgG Ydi Cef GdeLJeY (B/s - (3GdbMWGfj, eMeO Hf OZT SYjOs ((3GdQjGV (B:s (3OGQ Whjb ddfTQ hGdJhRjY,s, 1997)
(3HHdjhLQGajI (B: (3UaMI (B93-95.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdMQH GdfaSjIs; (3Yde GdfaS GdGLJeGYjs; (3GdETGYGJs -- (3LhGfH GLJeGYjIs