{"languages": [{"key": "/l/dut"}], "physical_format": "Unknown Binding", "subtitle": "Bijdragen tot de Onderwijsresearchdagen 1982", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Swets & Zeitlinger"], "number_of_pages": 137, "id": 12300775, "isbn_13": ["9789026504266"], "isbn_10": ["9026504268"], "publish_date": "1982", "key": "/b/OL9088565M", "title": "Planning van onderwijzen", "type": {"key": "/type/edition"}, "subjects": ["Teaching", "Lesson planning", "Curriculum planning", "Congresses"], "revision": 1}