Bud 发表于 2023-3-9 07:09

The art and craft of problem solving by Paul Zeitz

本帖最后由 Bud 于 2023-3-11 07:55 编辑

The art and craft of problem solving by Paul Zeitz

Bud 发表于 2023-3-9 07:10

The Art And Craft Of Problem Solving Instructors Manual by Paul Zeitz, too.
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