(3GdYdGL GdeYQai GdSdhci GdeYGUQ (B: s (3GdMdhd GdfaSjI deTcdGJ GdUMI GdYbdjI (B/s - (3Li , ghaeGf E Ss; (3eQGO Ydi YjSis ((3GdbGgQI (B:s (3OGQ GdaLQ ddfTQ h GdJhRjY , s, 2012)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdhShGS GdbgQi (B.s; (3GdUMI GdLfSjI (B.s; (3GdGVWQGH GdLfSi (B.s; (3GdGcJFGH (B.s; (3GdGVWQGHGJ GdfaSjI (B.s