The metric system : a laboratory approach for teachers 2026-02-15T09:32:17+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Whitman, Nancy C.; Braun, Frederick G., 1926- (Wiley, 1978)