Championship Swimming: How to Improve Your Technique and Swim Faster in 30 Days or LesseBookChampionship Swimming: How to Improve Your Technique and Swim Faster in 30 Days or LesskaryaTracey McFarlane-MirandePenilaian: 4 dari 5 bintang4/5Simpan Championship Swimming: How to Improve Your Technique and Swim Faster in 30 Days or Less untuk nanti