|   | by Dr. Richard Chun Ph.D.Paperback details (United States). details (United Kingdom). details (Germany). details (Canada). ISBN: 978-1-59439-072-2 ISBN-10: 1-59439-072-X YMAA Publication Center · 2006 | 
| See also (possibly by other authors): | ||
| 1983 | Hardcover | Advancing in Tae Kwon Do |