(3GdRjGQI Hjf GdfSGA Ydi VhA GdcJGH hGdSfI (B/s - (3OQhjT, NhdI YHO GdbGOQs ((3LOI (B:s (3ecJHI GdShGOj ,s, 1989)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajI (B: (3UaMI (B213-216.s
Keywords: (3GdeQCI GdeSdeI aj GdMOjKs; (3GdeQCI GdeSdeI aj GdbQBfs; (3BOGH GdVjGaI aj GdMOjKs; (3BOGH GdVjGaI aj GdbQBfs; (3GdeQCI aj GdESdGes