(3GdedGeM GdCSGSjI ddbGfhf Qbe (B281 (3dSfI (B1994 :s ((3HJYOjd bGfhf beY GdJOdjS hGdZT(B) /s - (3eMeO eMeO eUHGM GdbGVj(B.s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI(B,s, 1995)
. 83-79(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3beY GdZT hGdJOdjSs; (3GQcGf GdLQjeIs; (3GdeSFhdjI GdLfGFjI ddTNU GdeYfhis; (3GdLQGFe GdSjGSjIs