(3GdeQCI aj GdNdjL GdYQHi JMhdGJ GdMOGKI GdYSjQI (B/ s - (3HGbQ SdeGf GdfLGQs ((3HjQhJ (B: s (3GdeQcR GdKbGai GdYQHi , s, 2000)
Keywords: (3GdYdGbGJ GdGSQjIs; (3GdGegGJ hGdGHfGAs; (3GdeQCI (B- (3QYGjI GLJeGYjIs; (3GdeQCI (B- (3GMhGd GLJeGYjIs; (3GdeQCI aj GdMjGI GdYGeIs; (3GdeQCI (B- (3GdMOGKIs