Article PDF
Rights and permissions
About this article
Cite this article
More and Longer Education. Nature 211, 1113 (1966). https://doi.org/10.1038/2111113a0
Issue Date:
DOI: https://doi.org/10.1038/2111113a0
Nature volume 211, page 1113 (1966)
More and Longer Education. Nature 211, 1113 (1966). https://doi.org/10.1038/2111113a0
Issue Date:
DOI: https://doi.org/10.1038/2111113a0