العادات السبع للمراهقين الاكثر فعالية

Sean Covey (born September 17, 1964) is an American writer, motivational speaker, and publication providing executive business leadership and time management learning tools for organizations and individuals. Known for writing motivational books for children and teens. The global bestselling writing is The Seven Habits of Highly Effective Teens based on the principles of The Seven Habits of Highly Effective People, written by his father, Stephen Covey. He published the book The Seven Habits of Happy Children, which became a New York Times bestseller.