约翰·惠特默 · Relasi
URL: https://knowledge.ivjn.us/ms/people/john-whitmore/relation.html

惠特默是《高绩效教练》的作者。

Created works
- 高绩效教练 https://knowledge.ivjn.us/ms/works/hnlib-book-gao-ji-xiao-jiao-lian.html


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