2 Ebooks de Don Bongaards
Don Bongaards: Hydrogen
Hello – my name is Don Bongaards and I am a retired engineer. This book is a sequel to my first book entitled A Sense of Urgency which described how the United States could free itself from its depe …
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€6.14
Don Bongaards: The Hydrogen Connection
In this book, author Don Bongaards uses his creative engineering skills to outline a plan that has these results as its objective. The plan is based upon the current hydrogen revolution and blockchai …
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€8.49