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Dr John Rich的作品

Cover for Dr John Rich · Emotional Intelligence For Leadership (Paperback Book) (2019)

Emotional Intelligence For Leade... (2019)

Cover for Dr John Rich · LEAN SIX SIGMA & SCRUM 2 books 1 (Paperback Book) (2019)

LEAN SIX SIGMA & SCRUM 2 books 1 (2019)

Cover for Dr John Rich · Scrum (Paperback Book) (2019)

Cover for Dr John Rich · Lean Six SIgma (Paperback Book) (2019)

Lean Six SIgma (2019)