(3JWHjbGJ Ydi (BDOS : s (3GdEYdGejGJ GdeJYOOI HQeLI GdUhJ eY GdUhQI (B/ s - (3MSf , eMjj GdOjf eMeO eMeO s ((3HjQhJ (B: s (3OGQ GdQGJH GdLGeYjI , s, 1993)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
(3ddcHGQs
Keywords: (3OhS; hSGFW eJYOOI; HQeLI GdMGShHs