(3GdQDi GdebfYI fMh efgL Hfjhi ai OQGSI GdTYQ GdLGgdi (B/ s - (3ceGd GHhGdOjHs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdGOH GdYQHis; (3GdYUQ GdLGgdis; (3JGQjN hfbOs