Junhyuk Swimming
Fitness
Technique Magazine - December 1987
Codebook
Technique Magazine - May 1987
USGF Technical Journal - December 1982
September 2011
Fitness and Health guide by Dr. Gabe Mirkin
Nov. 1, 2013
USA Gymnastics - March/April 1985
1. 1.To discover the difference between organized and unorganized sports. 2.To examine how amateur sports help local communities. 3.To show the difference.
Technique Magazine - No. 4, 1984
