David Kerr 오디오북

An Introductory Guide to Systems Thinking (Unabridged) An Introductory Guide to Systems Thinking (Unabridged)
An Introductory Guide to Systems Thinking (Unabridged)
2012년
An Introduction to NLP: Exploring What Works (Unabridged) An Introduction to NLP: Exploring What Works (Unabridged)
An Introduction to NLP: Exploring What Works (Unabridged)
2013년