(3GdacQ GdSjGSj GdZQHi(B/s - (3HGhd(B,(3Lhfs; (3eMeO QTGO NejSs; (3QGTO GdHQGhis ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH(B,s, 1985)
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjI eJQLe ef GdGfLdjRjIs
Keywords: (3GdbGfhf GdOSJhQjs; (3GdfXe GdSjGSjIs