For starting a discussion on metrics, I found Stevan Harnard presentation about metrics of Open Access publications very clear in describing advantages and limitations:
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Anna Maria Tammaro (October 7, 2012). Metrics of Open Access publications. Digital Libraries in the humanities. Retrieved July 23, 2026 from https://doi.org/10.58079/ny4d