(3ehGba ai GdGOH GdGehi (B: (3JMdjd (B, (3OQGSI(B, (3efJLGJ (B/ s - (3YeQ aGQhb GdWHGYs ((3GdbGgQI (B: s (3OGQ Gdbde , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GdfKQ GdYQHis; (3GdTYQ GdYQHi (B- (3JGQjN hfbOs