Dr Stefan's Manual for Safe and Quick Weight-Loss after PregnancyStefan Kappel · First published 2022Open the Tome
8Cut-Throat Tricks and Tactics to Losing Belly Fat That Never Fails in 14 Days; Revealed by an ExpertStefan Kappel · First published 2022Open the Tome
Assistive Technologien, Technische Rehabilitation und Unterstützte KommunikationMartin Groß, Birgit Hennig, Stefan Kappel, Frank Wallhoff · First published 2022Open the Tome