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Publications written by: Hartmann, Steffen
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Software As a Product : Bridging the Gap Between Technology and Product Development
Software As a Product : Bridging the Gap Between Technology and Product Development
9780138058159
Published: 2026
$ 55.19  
Angel Thinking : Consciousness, Meditation and Human Destiny
Angel Thinking : Consciousness, Meditation and Human Destiny
9781915776297
Published: 2025
$ 23.92  
Michael Prophecy and the Years 2012-2033
Michael Prophecy and the Years 2012-2033
9781912230419
Published: 2020
$ 18.40  
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