Mumm, Karl2025-04-082025-04-081925ARH Diplomitöö 370364https://hdl.handle.net/10062/108248etAttribution-NonCommercial-NoDerivs 3.0 Estoniahttp://creativecommons.org/licenses/by-nc-nd/3.0/ee/diplomitööderaettevõttedsaneerimine1920-ndadThesis