(3GdSQbI hGZJUGH GdSfOGJ hGdJgOjO (B/s - (3eYhV YHO GdJhGHs ((3GdbGgQI (B:s (3OGQ GdeTQb GdYQHj ,s, 1988)
(3jTJed Ydi TQM dLQjeI GdSQbI hLfGjGJgG hGdLQGFe GdedMbI HgG hGZJUGH GdSfOGJ hGdJgOjO eYdbG YdjgG HCMcGe eMceI GdfbV efP EfTGFgG hMJi SfI (B1987 (3hHCge GdbjhO hGdChUGa hGdJYdjeGJ GdYGeI ddfjGHGJs
(3HTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajG(B: (3UaMGJ (B416-423s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdSQbIs; (3GdLQGFe GdeGSI HGdCehGds