(3GdefLO aj GddZI hGdEYdGe (B:s (3WHYI LOjOI efbMI (B/s - (3GdHSJGfj ,cQe s; (3HhdS ehJQO, GdjShYjs ((3HjQhJ(B-(3dHfGf (B:s (3OGQ GdeTQb (B-(3HjQhJ ,s, 1986)
Keywords: (3GddZI s; (3GdEYdGe s; (3GdefLOs