{"title": "Social systems and learning systems", "subjects": ["Instructional systems", "Social systems", "System theory"], "key": "/works/OL3687209W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL637547A"}}], "type": {"key": "/type/work"}, "covers": [11042239], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T04:11:44.590967"}, "last_modified": {"type": "/type/datetime", "value": "2021-05-10T04:54:40.152699"}}