April 1986

Inside Karate

Vol 7, Num 4

Haeng Ung Lee

June 1994

Martial Arts Business Information

Vol 2, Num 3

Y. K. Kim

August 1999

Martial Arts World

Vol 1, Num 1

Chuck Norris & Y. K. Kim & Billy Blanks & Seung Wan Lee

January 2005

Martial Arts World

Vol 7, Num 1

Y. K. Kim

February 2005

Martial Arts World

Vol 7, Num 2

Mike Bugg

March 2005

Martial Arts World

Vol 7, Num 2

Eric Thompson

April 2005

Martial Arts World

Vol 7, Num 4

Eric Hubley

April 2006

Martial Arts World

Vol 8, Num 2

B. G. Choung & George Allen & Peter Lowe Y. K. Kim & Tim McCarthy

August 2006

Martial Arts World

Vol 8, Num 3

Y. K. Kim

January 2007

Martial Arts World

Vol 9, Num 1

Dan O' Marra & Sally O' Marra

February 2007

Martial Arts World

Vol 9, Num 2

Y. K. Kim

February 2011

Martial Arts World

Vol 12, Num 1

Stephen Oliver & Y. K. Kim & Kirk Pelt & Toby Milroy & Keith Winkle

April 2011

Martial Arts World

Vol 12, Num 2

Toby Milroy & B. G. Choung & Y. K. Kim & Jun Lee & Chong Chu & Stephen Oliver & Kirk Pelt & Keith Winkle

September 2013

Martial Arts World

Vol 14, Num 2

Sang Lee & Y. K. Kim & Tommy Chang

July 1991

Tae Kwon Do Times

Vol 11, Num 5

Y. K. Kim

May 2006

Tae Kwon Do Times

Vol 26, Num 3

Michael Tullier & Michael McGee

Winter 1983

Traditional Tae Kwon Do

Vol 6, Num 1

D.W. Kang & Brian Beaven

Fall 1984

Traditional Tae Kwon Do

Vol 6, Num 4

?