PLOS One
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PLOS One (stylized PLOS ONE, and formerly PLoS ONE) is a peer-reviewed open access scientific
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Rhestr o Lyfrgelloedd (Wikipedia)
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Mae llyfrgell yn gasgliad wedi'i guradu o ffynonellau gwybodaeth ac adnoddau tebyg, wedi'u dethol gan
TROM
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TROM is a project that aims to showcase in detail the root cause of most of today’s problems
VideoNeat
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Curadu deunyddiau gwyddoniaeth gwych i fodau dynol a'u darparu mewn modd datganoledig.
Wikipedia
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Wikipedia is a multilingual online encyclopedia created and maintained as an open collaboration