All 3 Hang Yu releases on Paperback Book and Hardcover Book
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Release December 18, 2026
![Cover for Hang Yu · Guidelines for Community Energy Planning (Paperback Book) [1st ed. 2020 edition] (2020)](https://imusic.b-cdn.net/images/item/original/021/9789811396021.jpg?hang-yu-2020-guidelines-for-community-energy-planning-paperback-book&class=scaled&v=1612141773)
![Cover for Hang Yu · Guidelines for Community Energy Planning (Hardcover Book) [1st ed. 2020 edition] (2019)](https://imusic.b-cdn.net/images/item/original/994/9789811395994.jpg?hang-yu-2019-guidelines-for-community-energy-planning-hardcover-book&class=scaled&v=1608496934)