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core.ac.uk

Core – aggregating the world’s open access research papers

The world’s largest collection of open access research papers

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Core.ac.uk has first positions for keywords

Pos.KeywordResultsLast check
10
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79.7 MillionSep 26st, 2021
16
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331 MillionSep 22st, 2021
10
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10.4 MillionSep 21st, 2021
13
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23 MillionSep 22st, 2021
10
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2.17 BillionSep 24st, 2021
10
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12 MillionSep 20st, 2021
10
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155 MillionJun 15st, 2021
10
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754 MillionJun 19st, 2021
10
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1.09 BillionSep 20st, 2021
10
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7.5 MillionSep 24st, 2021

Best keywords in 2-5 positions

Pos.KeywordResultsLast check
20
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397 MillionSep 23st, 2021
2-1
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126 MillionSep 20st, 2021
20
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122 MillionJun 16st, 2021
20
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120 MillionSep 23st, 2021
20
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142 MillionJun 23st, 2021
20
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26.4 MillionSep 23st, 2021
23
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27.7 MillionSep 25st, 2021
20
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2.47 MillionJun 19st, 2021
20
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507 MillionJun 20st, 2021
20
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46.4 MillionJun 21st, 2021

Best keywords in 6-10 positions

Pos.KeywordResultsLast check
69
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7.96 MillionSep 22st, 2021
60
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134 MillionJun 24st, 2021
61
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37.2 MillionSep 25st, 2021
60
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373 MillionSep 22st, 2021
60
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1.73 BillionJun 19st, 2021
60
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22.3 MillionSep 22st, 2021
60
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2.06 MillionJun 17st, 2021
60
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135 MillionJun 14st, 2021
60
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22.8 MillionSep 23st, 2021
60
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128 MillionJun 16st, 2021