{"title": "Consumer mathematics", "subjects": ["Business mathematics", "Study and teaching (Secondary)", "Textbooks", "Consumer education"], "key": "/works/OL4092015W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL766423A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T05:20:14.747922"}, "last_modified": {"type": "/type/datetime", "value": "2025-12-18T15:12:59.708698"}}