Daniel Kern Books
How to Write an eBook Bestseller
2021
Small talk course for (prospective) networkers
2020
Comment écrire un best-seller au format numérique
2016
Elevator Pitch 2.0
2021
Elevator Pitch 2.0
2020
How to Write an Ebook Bestseller
2020
Elevator Pitch 2.0
2019
Une publicité de trop
2018
Elevator Pitch 2.0
2015
Elevator Pitch 2.0
2015
Smalltalk-Kurs für (angehende) Netzwerker
2015
Elevator Pitch 2.0
2015