Yopi Muhamad

Survival Swimming: Swimming Training for Escape and Survival

Sam Fury and Yopi Muhamad


Survival Fitness: The Ultimate Fitness Plan for Escape,...

Sam Fury, Okiang Luhung, et al.


Swim Workouts and Water Rescue Skills: Techniques to Swim...

Sam Fury, Yopi Muhamad, et al.

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