(3fgGjI GdeMJGL Gdi TQM GdefgGL ai GdabI Ydi ePgH GdGeGe GdTGaYi QVi GddI YfI (B/ s - (3GdTGaYiGdUZjQ, TeS GdOjf eMeOs ((3HjQhJ (B: s (3OGQ GdcJH GdYdejI , s, 1993)
Keywords: (3GdUdGIs; (3Gdabg GdTGaYis; (3Gdabg GdGSdGei (B- (3ePGgHs