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Champaign, Ill. Leisure Press 1990 .
viii, 237 p. , "A publication for the American Coaching Effectiveness Program, Leader Level Course." | Rev. ed. of: Coaching young athletes / Rainer Martens ... [et al.]. c1981. 0880113766

By Martens, Rainer.
Champaign, Illinois Human Kinetics 2012 .
xii, 443 pages 28 centimeters..
9781450400510 (soft cover) | 1450400515 (soft cover)