The human dynamo : power : a concept study 2026-02-16T04:12:59+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Mahood, R. Wayne; Grove, Cornelius Lee; Hickman, Warren L. (Concepts for the social studies, 1975)