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Ludo Waltman

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COVID-19 and its implications for the scholarly communication system
Responsible journals: Making reading, evaluation and publishing open
Open science: Implications for bibliometrics and scientometrics
Ranking universities responsibly
Crossref LIVE19 - Researcher and metadata user view
Social sciences research addressing societal challenges
The landscape of research on research
Open citations: Next steps
New developments in the CWTS Leiden Ranking
Science of science, scientometrics, and research policy: The need for quantitative modeling
Ranking universities responsibly
Scientometrics for research assessment
Ranking universities responsibly
A scientometric perspective on university ranking
Contextualized scientometrics: What's behind the numbers?