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Guinness Awards for Science and Mathematics Teachers. Nature 209, 968 (1966). https://doi.org/10.1038/209968a0
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DOI: https://doi.org/10.1038/209968a0
Nature volume 209, page 968 (1966)
Guinness Awards for Science and Mathematics Teachers. Nature 209, 968 (1966). https://doi.org/10.1038/209968a0
Issue Date:
DOI: https://doi.org/10.1038/209968a0