15 single focus team drills

• 作者：Championship Productions ; written by John Dunning ; directed by Lonnie Kragel.
• 出版者：Championship Productions, Inc.
• 出版地：Ames, IA :
• 語文：英語
• ISBN/ISSN/ISRC：1564047105
• 作者：Dunning, John.;Kragel, Lonnie.
• 索書號：796.325