Work measurement in public libraries : a review and manual on time studies and work units with a statistical analysis : and an evaluation of administrative and management procedures in certain public libraries 2026-02-15T19:36:36+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Pierce, Watson O'Dell, 1904- (Social Science Research Council, 1949)