Google Scholar, Web of Science, and Scopus: a systematic comparison of citations in 252 subject categories
- Alberto Martín-Martín
- , Enrique Orduna-Malea
- , Mike Thelwall
- , Emilio Delgado López-Cózar
Endorsed by:
- Liz Falconer
robustclearexciting
- Rafael Sidi
clear
- Rebecca Hedreen
exciting
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