{"identifier":"nobleid:/w1/20260522/98AC2BC0","arkIdentifier":"ark:/48914/w1/20260522/98AC2BC0","version":1,"workTitle":"市場調査講習会テキスト 市場調査の実際例 調査法を中心として","workType":"Journal Article","authors":"岡本 淑人","description":null,"workUrl":null,"existingDoi":"10.2109/jcersj1950.61.appendix_77","createdAt":"2026-05-22T06:14:25.805282Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260522/98AC2BC0.v1"}