(3GdLfMI GdeHGTQI hUjZgG ai bGfhf GdYbhHGJ hGdbhGfjf GdeNJdaI (B/ s - (3Ydi YhV MSfs ([S.N] : (3OGQ GdacQ GdLGeYi , s, 1992)
Keywords: (3GdbGfhfs; (3bGfhf GdYbhHGJs; (3bhGfjf hJTQjYGJs