500 tips for trainers

Author：Phil Race and Brenda Smith.
Publisher：Gulf Pub. Co.
ISBN：9780080498447 (electronic bk.) ; 0080498442 (electronic bk.)
Publication Date：1996
其他作者：Race, Philip. ; Smith, Brenda.
語言：zh
出版地：Houston :
Description

1 online resource (iv, 132 p.)

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