(3QHjY GdHMQjf GdOjebQGWj (B: (3ebGdGJ (B/ (3QVj GdSeGcs - (3GdSeGc, QVjs ((3GdTGQbI (B: s (3OGQ GdNdjL ddUMGaI,s, 2004)
Keywords: (3GdOjebQGWjI (B-- (3GdHMQjfs; (3GdHMQjf (B-- (3GdCMhGd GdSjGSjIs