Po Chung
Books
Hanguk kwa Chungguk ui kodung kyoyuk chedo yongu
2000
ISBN 9788975551017
The first 10 yards
2009
ISBN 9789814246828
Service reborn
2012
ISBN 9780984493883
25 Principles of Service Leadership
2015
ISBN 9780985948054
Dhl
2017
ISBN 9781501515927
Quitless: The Power of Persistence in Business and Life
2021
ISBN 9781637350188