(3fbhO GdYGde (B:s (3eJj XgQJ ? heJj GNJaJ ? (B/s - (3GdSjO eMeO GdedWs ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1993)
(3OQGSI ebGQfI dhLgJj fXQ GdMVGQI GdZQHjI hGdMVGQI GdESdGejIs
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs