{"title": "OSAT - Social Studies - Middle Level (Osat Series)", "covers": [2935769], "key": "/works/OL8944514W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL3095717A"}}], "type": {"key": "/type/work"}, "subjects": ["Science, examinations, questions, etc.", "Science, study and teaching", "Teachers, certification"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T23:34:26.359381"}, "last_modified": {"type": "/type/datetime", "value": "2023-07-17T09:20:08.086448"}}