(3HWdGf GdELQGA GdLfGFj (B:s (3eMGhdI JCUjd CSHGH GdHWdGf ai Xd bVGA GdfbV ai eUQ hdHfGf haQfSG(B/s - (3SdjeGf YHOGdefYes ((3GdEScfOQjI (B:s (3OGQ GdLGeYI GdLOjOI ddfTQ (B,s, 1999)
(3jJVef bGFeI GdeQGLY U (B311s
(3jJVef bGFeI GdENJUGQGJ U (B309s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf LfGFjs; (3HWdGf GdELQGAGJ GdLfGFjIs