(3GfJgGA YbO GdEjLGQ dGMJLGR CcJQ ef eScf aj GdHdO GdhGMO hEbGeI eHfi jJchf ef CcKQ ef KdGK hMOGJ aj VhA Gdabg hCMcGe GdfbV GdMOjKI (B/ s - (3eMeO, GdSjO Nda s ((3GdbGgQI (B: s (3GdecJHI GdbGfhfjI, s, 1993)
Keywords: (3GdEjLGQGJ s -- (3bhGfjf hJTQjYGJ s -- (3eUQ s; (3GdeHGfjs -- (3bhGfjf hJTQjYGJ s -- (3eUQ s