1. The first 20 hours -- how to learn anything - Josh Kaufman - TEDxCSU

    The first 20 hours -- how to learn anything - Josh Kaufman - TEDxCSU

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  2. The first 20 hours -- how to learn anything | Josh Kaufman | TEDxCSU

    The first 20 hours -- how to learn anything | Josh Kaufman | TEDxCSU

    10
  3. the first 20 hours | how to lean anything...fast | tedx talk

    the first 20 hours | how to lean anything...fast | tedx talk

    2