Mapping high R&D city-regions worldwide: a patent heat map approach
نویسندگان
چکیده
منابع مشابه
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ژورنال
عنوان ژورنال: Quality & Quantity
سال: 2019
ISSN: 0033-5177,1573-7845
DOI: 10.1007/s11135-019-00874-w