Health, Safety and Environment test for Managers and Professionals : GT200-V9 (Paperback, 9 Revised edition)

The One Thing : The Surprisingly Simple Truth Behind Extraordinary Results: Achieve your goals with one of the worlds bestselling success books (Paperback) - 『원씽』원서

Whats Your Dream? : Find Your Passion. Love Your Work. Build a Richer Life. (Paperback)

Grit: The Power of Passion and Perseverance (Paperback) - 『그릿 GRIT』원서

Atomic Habits : An Easy & Proven Way to Build Good Habits & Break Bad Ones (Paperback) - 『아주 작은 습관의 힘』원서

The Technological Republic : Hard Power, Soft Belief, and the Future of the West (Paperback) - 원서