I like to learn from the best so ”First Principle thinking” used by Elon Musk is one of my favorites.
Paul Melinte's Problem Solving Skills:
Motivate teams and people
building online communities
Paul Melinte's Problem Solving Experience:
I manged to sell more books in Romania, a country where only 2% of population usualy reads, than almost anyone else and i could say that if I would be active on the international market, probably I would be one of the best books marketers.