{"type": {"key": "/type/work"}, "title": "Za visoka obshchestvena proizvoditelnost na truda", "subjects": ["Labor productivity", "Congresses"], "subject_places": ["Bulgaria"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL259650A"}}], "key": "/works/OL42651027W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-03-02T11:34:20.720801"}, "last_modified": {"type": "/type/datetime", "value": "2025-03-02T11:34:20.720801"}}