Amazon.co.jp: STAY GOLD - Source of energy _ Japanese edition : source of energy Japanese edition (ビジネス) eBook : Dr. 敬里: 本

https://www.amazon.co.jp/STAY-GOLD-Source-energy-Japanese-ebook/dp/B09W9XV8B7/ref=sr_1_20?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&crid=2RFNEP9Y8K39U&keywords=stay+gold&qid=1652830618&sprefix=stay+gold%2Caps%2C200&sr=8-20