(3SQ UfGYI GdGYQGH (B/ s - (3GHf Lfi (B: (3GHhGdaJM YKeGf GdehUdi GdHZOGOis ([S.N] : (3OGQ Gdbde ddfTQ hGdJhRjY , s, 1993)
Keywords: (3GdfMhs; (3GddZI GdYQHjIs