(3JUMjM GdJfHjg (B/s - (3Gdfhhj, jMji Hf TQa Hf eQj,s 631-676 (3g`(B.s ((3HjQhJ (B:s (3eDSSI GdQSGdI ddWHGYI h GdfTQ h GdJhRjY,s, 1996)
Keywords: (3Gdabg GdTGaYjs; (3Gdabg GdESdGejs -- (3ePGgHs