Өндөр бүтээмжтэй хүний долоон дадал by Stephen R. Covey | Goodreads
Stephen R. Covey. 348 books5,377 followers. Stephen Richards Covey was the author of the best-selling book, "The Seven Habits of Highly Effective People". Other books he wrote include "First Things First", "Principle-Centered Leadership", and "The Seven Habits of Highly Effective Families". In 2004, Covey released "The 8th Habit".
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