{"title": "Introduction to economics", "subjects": ["Economics"], "key": "/works/OL4162012W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL785826A"}}], "type": {"key": "/type/work"}, "covers": [14362862], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T05:30:49.626878"}, "last_modified": {"type": "/type/datetime", "value": "2023-06-28T04:31:39.145314"}}