{"identifier":"nobleid:/w1/20260521/2DBD33ED","arkIdentifier":"ark:/48914/w1/20260521/2DBD33ED","version":1,"workTitle":"9th class book chemistry","workType":"Journal Article","authors":"Walter Hughes","description":null,"workUrl":null,"existingDoi":"10.5281/zenodo.12972128","createdAt":"2026-05-21T21:53:47.194814Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260521/2DBD33ED.v1"}