(3GdeMQQ GdhLjR aj JaSjQ GdcJGH GdYRjR (B/s - (3GHf YWjI, YHO GdMb Hf ZGdH Hf YHO GdQMef,s 481-541 (3g`(B.s; (3eMeO , YHO GdSdGe YHO GdTGajs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 2001)
Keywords: (3JaGSjQs -- (3eCKhQI heSfOIs