jstor is a digital library of academic journals, books, and primary sources.

academia.edu is a place to share and follow research.

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mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

open access publisher of peer-reviewed scientific articles across the entire spectrum of academia. research network for academics to stay up-to-date with the latest scientific publications, events, blogs and news.

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cambridge partnership for education aims to improve education systems across the globe through partnerships with various governments. read more here.

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semantic scholar uses groundbreaking ai and engineering to understand the semantics of scientific literature to help scholars discover relevant research.

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