(3eYQaI GdMLL GdTQYjI (B/s - (3GdHROhj, eMeO Hf eMeO Hf GdMSjf,s 421-493 (3g`(B.s; (3GdNWjH, YHO GdbGOQ Hf jGSjf Hf fGUQs ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 2000)
Keywords: (3CUhd Gdabg GdESdGejs