マッハ新書 - 礼儀2.0
- Digital1,000 JPY
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形式：PDF / EPUB ページ数： 71 文字数：約２万文字 礼儀とは何か？礼儀はバージョンアップできるのでは？との仮定から、エンジニアリング視点で礼儀を分析した本です。 飛行機のフライト中に書き上げた本です。BETA版です。 構成は目次の写真もご覧下さい。 #マッハ新書