Stone tool (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Stone tool" in Simple English language version.

refsWebsite

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bbc.co.uk

Morelle, Rebecca 2015. Oldest stone tools pre-date earliest humans. BBC News Science & Environment. [1]

nature.com

Harmand, Sonia et al 2015. 3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya. Nature 521, 310–315. [2]