(3JcfhdhLjG GdGfJGL hGYeGd GdhQT(B: (3L GdGhd ebQQ JYdjei JegjOi HGdhMOGJ GdbjGSjI GdYGdejI (B/ s - (3dWai GMeO YHOGddWja (B((3eJQLe(B)s; (3JTGjJeGf, h (B. (3G (B. (3Ms ([S.N] : (3GdOGQ GdYQHjI ddJhRjY hGdfTQ , s, 1990)
Keywords: (3GdJcfhdhLjGs; (3GdhQTs; (3gfOSI GdhQTs; (3JcfhdhLjG GdhQTs