David Mezzapelle

David Mezzapelle

2 ספרים במאגר

ספרים

Contagious OptimismDavid Mezzapelle

Contagious Optimism

David Mezzapelle · 2013

10 Habits of Truly Optimistic PeopleDavid Mezzapelle

10 Habits of Truly Optimistic People

David Mezzapelle · 2015