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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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6.78 BillionJan 10st, 2022
10
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204 MillionDec 2st, 2021
19
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6.99 BillionDec 4st, 2021
10
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323 MillionDec 10st, 2021
10
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248 MillionDec 4st, 2021
10
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249 MillionDec 13st, 2021
10
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193 MillionDec 5st, 2021
10
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112 MillionDec 4st, 2021
10
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21.9 MillionDec 2st, 2021
10
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93.7 MillionDec 4st, 2021

Best keywords in 2-5 positions

Pos.KeywordResultsLast check
2-1
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134 MillionNov 29st, 2021
20
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4.07 BillionDec 6st, 2021
22
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17.6 MillionDec 2st, 2021
20
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42 MillionDec 9st, 2021
21
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414 MillionDec 5st, 2021
20
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444 MillionDec 6st, 2021
2-1
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5.63 MillionDec 5st, 2021
23
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114 MillionDec 9st, 2021
2-1
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8.97 MillionDec 16st, 2021
20
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81.9 MillionJan 10st, 2022

Best keywords in 6-10 positions

Pos.KeywordResultsLast check
61
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795 MillionJan 16st, 2022
60
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35 MillionJan 9st, 2022
63
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4.44 MillionDec 2st, 2021
66
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4.24 BillionDec 3st, 2021
6-1
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367 MillionNov 29st, 2021
60
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60 MillionDec 5st, 2021
6-1
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18.5 MillionDec 6st, 2021
6-3
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53.4 MillionDec 9st, 2021
6-3
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30.1 MillionDec 2st, 2021
6-5
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6.04 MillionDec 2st, 2021