(3TQM GdUOhQ HHjGf HOY GdLfGFR hGdbHhQ (B:s (3hjdjg aJGhi Cgd GdYde aj CMcGe GdLfGFR hGdbHhQ (B/s - (3GdMeGOj, YHO Gddg Hf eMeOs; (3GdNejS, eMeO Hf YHO GdQMefs 1376 (3gLQj(B-s ((3GdTGQbI (B- (3GdEeGQGJ (B:s (3GdbGgQI (B- (3eUQ (B:s (3ecJHI GdUMGHI ,s (3ecJHI GdJGHYjf ,s, 2000)
Keywords: (3GdHOY GdOjfjIs; (3UdGI GdLfGRIs; (3GdLfGFR s; (3GdSeYjGJs -- (3GdbHhQs