8.2. ふりかえり Retrospective Embracing my gray hair
Everything is useful to mental training. I noticed a good way of mental training that I have started since 17th April 20...
8.2. ふりかえり Retrospective
8.2. ふりかえり Retrospective
7. 学び Learning
8. Trial&Error
8.2. ふりかえり Retrospective
読書感想
8.1. ふとした気づき