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The Self-Defense Institute (TSDI)
The Self-Defense Institute (TSDI) is a martial arts school offering classes in Tewksbury, Massachusetts.
Martial Arts Styles
The following martial arts styles are offered at The Self-Defense Institute (TSDI):
- Jiu-Jitsu (Jujutsu/Jujitsu)
- Kempo/Kenpo
- Kung Fu
- Kardio Kick Boxing