 | W. Timothy Gallwey - 1984 - 178 sidor
Concentrates upon overcoming mental attitudes that adversely affect tennis performance, including learning to relax, effectively concentrating, and discarding bad habits | |
 | W. Timothy Gallwey - 1984 - 178 sidor
Concentrates upon overcoming mental attitudes that adversely affect tennis performance, including learning to relax, effectively concentrating, and discarding bad habits | |
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