(3OQGSGJ aj GdfSjL (B/ s - (3fUQ, CfUGas; (3GdRZHj, chKQs ((3GdbGgQg (B:s (3OGQ GdacQ GdYQHj,s, 1993)
Keywords: (3UfGYI GdfSjLs; (3GdefShLGJs