京津冀协同发展背景下休闲农业园区定位与思考
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-4433|volume|9|232-236
ISSN: 1002-4433
Source: 世界农业, Vol.volume, Iss.9, 2016-01, pp. : 232-236
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Abstract