(3JfejI Gdbhi GdYGedI aj GdeLJeY GdYQHj (B/s - (3TJG, GdSjO Ydjs ([(3GdEScfOQjI, eUQ(B] :s (3eQcR GdEScfOQjI ddcJGH,s, 1997)
(3HHdjhLQGajI (B: (3UaMI (B473-482.s
Keywords: (3Gdbhi GdYGedIs -- (3GdHdGO GdYQHjIs; (3GdYed hGdYeGds -- (3GdHdGO GdYQHjIs