(3YUQ GdQhGjI(B: (3ebGd ai GdfhY GdGOHi (B/ s - (3eMSf LGSe GdehShis ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdGOH GdebGQfs; (3GdbUI GdYQHjIs; (3JGQjN hfbOs